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Ηλεκτρ. έκδοση

Page 105.-1. 320. 6. $220. 7. $378.90. Page 107.-2. $2.

Answers

2. 84 in. 8. 12 mills.

3. $1.25.

3. 174 ft. 9. $41. 10. 4. $13.30. 11. 83.

7. $6.88. 8. 40%. 9. 529. 10. 239.
14. $357. 15. $398. 16. $692.12.
19. $280.32. 20. $122.99. 21. $336.11.
24. $407.28. 25. $537.97.

4. 558. $116.88.

5. 94.

12. 35.

17. $576.81.
22. $116.43.

Page 108.-1. $4. 2. $8.13. 3. 80%. 4. $4.35.

5. 180.

6. $1.20. 13. 94.

18. $287.46.

23. $660.02.

5. $1.53.

6. $4.06. 7. $362.87. 8. $158.53. 9. $247.19. 10. $633.07. 11. $278.91. 12. $972.38. 13. 60 da.; $1. 14. 56 da.; $1.56. 15. 41 da. ; $ 1.33. 16. 37 da.; $2.26. 17. 110 da. ; $ 11.23. 18. 41 da. ; $4.10. 19. 51 da.; $254.02. 20. 46 da.; $134.62. 21. 88 da.; $312.98. 22. 111 da.; $548.21. 23. 77 da.; $742.69. 24 119 da.; $933.56.

[blocks in formation]

Page 122. -1.24; 10; 14. 2. 吉;朵.

3.11;

12. 18.
;

13.

4. $22.34.

5. 225. 6. 4920 sq. ft. 7. 130 sq. ft. 8. 10.2654+ ft. 9. 942.48 sq. in. 10. 64. 11. $1.83. 12. $322.56. 13. $692.50.

14. 47 9.

Page 123.1. 720°. 2. 120°. 4. 120°; 30°. 5. 30°; 30°; 90°; 90°. 7. 30°; 30°; 60°; 60°.

6. 60°.

11. 60°; 60°.

Page 124.

8. 180°. 9. 360°.

10. 60°.

- 1. 15 and 24. 2. $61.14 and $81.52. 3. $156 and $195.

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Page 126.

3. $119.38. 4. About 104. 8. $200.25. 9. $71.04.

-1. $8; $16; $32. 2. Wife,; daughter, ; son, . 4. 153.9384 sq. in.

3. Wife, $3000; daughter, $2000; son $4000.

5. 2412.7488 sq. in. 6. 282.744 sq. in. 7. 18 ft. 8. $78.12. 9. $15.62. 10. $90.56.

Page 127.1. 73. 2. 41..

8. 73.

9. 51 da. 10. 25 da. 11. 62 da. 14. 121 da. 15. 40 da.

3. 41.

4. 36.

5.

96. 6. 45. 7. 60.

[blocks in formation]

16. 70 da. Page 128.1. About 75 lb.

2. 750 lb. 3. 125.

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[blocks in formation]

m + 4 n + y.

4.

Page 131. - 1. 9

3 ab + ab2 + ab3.

7. 2 a2 - ab + a + b.

[blocks in formation]

5 m2 + mn + n2. 8. 4 x5+ 5 xy 13 x3y3. 9. 9b2 - ab 6. 11. 4 a2 + 8 a. 12. 2 m2 + 4 m2n 2 mn2. 13. 12 x2y-21 x2y2+3 x2y3. 14. 8 x5y-16 x1y +40 x3y− 24 x2y. 15. a+b. 17. 3 ab2 + 4 a2b.

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3. 160 sq. in. 7. 20 in. 8. 3300 cu. in.

6. 81 sq. in. Page 142. - 1. 3%. 6. $704.89. 7. 1800. 13. 12. 14. 4. 15. }; ; ; ; §. 16. §; Page 144.-1. $1.75. 2. $30. 3. 6. 954 sq. in. 7. 2107 cu. ft. 8. 768 sq. in. Page 145. -2. 1 sec. 3. 60 ft. per sec. 4. 2. 2. 137.69+ oz.

2. $52.50. 3. 1225. 4. 4050. 8..2700. 9. 5040. 10. 24 11. 188.

[blocks in formation]

4. 4 cu. ft.

5. $23.38.

12. 1.

5. 1080.

sq. in. 10. 26 sq. ft. 5. Northeast 15 yd. 3. 30.528. 4. 434.88.

Answers

8. 108.

16. 30.

9. 6.

10. 42. 11. 9. 12. 3.

5. 1331. 6. 8333. 7. 77331.
13. ;; }. 14. 60. 15. 72.
Page 149.-4. a2 + ab. 5. ab b2. 6. a2 b2.

-

---

7. a2-2 ab + b2.

8. 2 ab2- 5 ab3c + 2 abc - 5 ab2c2. 9. 6 m3 - 8 m2 15 m2n + 20 mn 10. x3 3x2y + 3 xy2 — y3.

24 m + 32.
12. a2 + 2 b — b2 1. 13. 4 x2

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7x+22xy + 24
2. 2, 2, 3, 3, a, a, b,
4. 2, a, a, b, and 2, a, a, b.
9. 18 x2y3. 10. 75 m3n5.
14. 4 a2b3.

y, y, z, 2, 2, 2, 2.
7. 25 a+b2. 8. 9 a2b1c.
a, b, b. 12. 3x2y3. 13. 27 a6b9.
18. 7. 19. 3. 20. 4.

Page 151.-1. 14 and 7.

6. 23 and 6. 7. 8 and 10.

11. 30 a2 - 23 a 40. y2 — 28 y.

b, b, c. 3. 3, 5, 5, x, 5. 4 m3n2. 6. 10 xy2. 11. a, b, b; a, b, b 15. 6 m3nt. 16. 4.

3. 8 and 4.
10. 16. 11. 16.

17. 5.

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2. 15 and 5. 8. $32.

4. 6.

9. 24.

5. 8. 12. 20.

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278; 108

99

5. 4; 16; 25; 28. 6. 2;

17; 3; 11; 18.
22;

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60

90

108

108

41

15

42.

7. 135 133 135;

54

99

450

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80. 10. 144,

60

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13. 18; 16. 17; 21;

55.42

48 48

504 504

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288 288

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18.

120 288

26

100 100 28 68 77 84.

84 84

350 273

90

1820; 1820; 1420; 1820.

56

; 288

Page 155.

210.

77

3; 28. 14. 54; 50; 90; 90.

168. 580 19. 548;; 188; 888.

-3. 17% 4. 12.

9. 1,43 10. 148. 11. 11. 12. 18. 17. 20,60 18. 22.

143.

22. 25118. 23. 2243.

24. 1467.

179

28. 654. 29. 38. 30. 3200

269
930.

Page 156.-4. 43.

10. 163. 11. 3137.

63

20. 223. 21. 24,71 26. 1.

5. 7. 6. 101. 7. 11.
13. 10221. 14. 6.

27.

210. 119

531

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12. 258.

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20. 642.

3. 12.

21. 2531. 22. §. 4. 3. 5. 93.

[blocks in formation]

17. 4. 18. 63. 19. 285.
Page 157.-2. 153.
8. 2443. 9. 5823. 10. 14463. 11. 3. 12. 23. 13. 249.
16. 13. 17. 17. 18. 30. 19. 721. 20. 13.

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26. 6123. 27. 3833.
32. 75. 33. 71243
89

5. 14. 6. 6. 7. 61. 8. 21. 9. 3.
15. 74.
16.
23. 180 24. 93.

14. 11.

50

2. 2. 3. 4. 4. 1.

13.

20. 4.

21. 3

37.

22.7.

9 17. 25. 18

20.

161.

29. 2,437

80°

1640.

Page 159.

2. 15.

3. 35.

4. 9. 5. 2. 6. 4. 7. 2.

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9.

10.3 11. 11.

38. 183.

39. 11.

3.. 4. §. 5. .

12..

6. 39.

13. 313. 14. 47.

1575

22. 8.

29. 5.

59

35. 224

7. 85.

8. 21

15.. 22. 23.

16..

23.1.

27. 12. 28. 9. 29. 13. 30. 190

17. 143. 18.8. 19. 4. 20. 4.388 21.
24. 7. 25. 45 26. 10.
31. 312. 32. 17.

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33. 33 34. 12. 35. 6. 36. 210. 37. 9.

Page 163.. 1. 1,000,000,000. 2. About 25,000. 3. 46931. 4. South5. About 28 ft. 6 2. 7. . 8. 1.

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7.41% 8. 23% 10. 12.
Page 166.1. 907228. 2. 15742.
6. 1825923. 7. 34918. 8. 1411

12. $14.75. 13. $480. 14. 1200 ft. per second.
Page 167. 1. 270 cu. in.

4. 29.0652 + cu. ft.

8. 22,0893 lb.

2. 78.54 in.

4 34871
189504.
10. 49.

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15. 8.

[blocks in formation]

3. 314.16 sq. in.

7. 50.89 min.

+

Page 168.-2. $10 and $15. 3. 35 and 49. 4. 20, 30, and 50. 7. $40; $60; $80. 8. $700; $1300; $2000. 9. $600 and $1400. 10. $800, $1200, and $1600.

[blocks in formation]

sq. in.
10.
13. 37.6992 sq. ft. 14. 43.9824 cu. ft.
17. 24 in. 18. 11 sq. ft.

19. 30 in.
Page 173.—1. 22. 2. 30. 3. 1. 4. 2.
7. 61. 8. 15. 9. 3. 10. 2 a2 + 2 ab + 3 c2. 11.
12. 2 a3-4 ab3 +4 ac-8 ad−3 a2c+6 b3c-6 c2 + 12 cd.
Page 174.-1. 24 and 12. 2. 60 and 20.
4. 8. 5. 30. 6. Horse, $240; carriage, $80.
9. 12 yr. and 18 yr.

733.3824 cu. in. 16. 81 sq. in.

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10. 12. 11. 54. 12. 25. 13. 20. 14. 36. Page 175.-3. 32. 4. 10. 5. 31. 6 3. 7. 421. 8. 76. 9. 4519. 10. 193. 12. 13 rd. 13. $90. Page 176.- 1. $195. 2. $1296. 3. 24. 6. $10.08. 7. $425.81. 8. 6333. 9. 11. 85%. 12. 640.

Page 177. 1. 360. 2. 221. 3. 50.

[blocks in formation]

7. $1470, $ 1225, and $ 1505. 9. $1920, $ 1920, and $ 2160.

Answers

Page 178.-1. 13.359+. 2. 1.88+. 3. In the year 4876. 4. 11.8+. 5. 164.61+. 6. 226,195,200 mi. 7. 2,573,324.23+. 8. 5,566,915,200 mi. 9. 2,055,914.4+ mi. less. 10. 584,337,600 mi. 11. 1,082,419.38+ more. Page 179. -1. 19.

2. 581. 3. 10. 4. 10. 5. $160.

6. $1200, $1440, and $960. 7. About $66,000,000,000.
$44,000,000,000. 9. About $1300. 10. About 12. 11.

8. About About 9.

Page 180.-1. .00075. 2. $88.04. 3. 25. 4. .09375. 5. 1280 •

84.

6.2. 7. 17. 8. $12.30. 9. 75. 10. Increased 24. 11. Diminished 12. $1600. 13. $1126.25. 14. $7362.50. 15. 160. 16. 52. 17. 300. Page 181. -2. 26 da. 3. 46. 4. 3. 5. 73 bu. 3 pk. 11 qt. 6. 3 da. 7. 10 ft. 8. 13. 9. 781. Page 182.1. 144 cu. 5. 7 sq. ft. 6. 13 cu. ft. 7.

Page 183.-10. $250. 14. $105,000.

26 da.

10. 43 sq. ft.

ft.

15. 4%. 16.

[blocks in formation]

Page 186.

6. $299.49.

1. $360. 2. 7. $374.68.

11. 3757 cu. in. 12. 167

3. 333 cu. ft.

2. 48 cu. ft.
2673 cu. in.
11. 3%. 12. 3 yr. 3 mo.
2 yr. 7 mo. 5 da.

4. 666 cu. ft.

13. $641.26. 17. 6%. 18. 28 yr. 6 mo.

2. $5. 3. $437. 4. 18. 5. 250 rd. 6. 333.
9. 761.58+ ft. 10. 3040 ft. 11. 1640.9+.
2. 1000 oz. 3. 4. 4. 5. 6. 70 oz.
7. 31.

$72. 3. $519.86. 4. $535.97. 5. $56.75.
8.5%.
9. 2 yr. 3 mo. 10. 5292 cu. in.
sq. ft.

Page 189.-1. 5 x3 −6 x2+2xy +5 y2. 2. 4 m2-2 mn-8 n2. 3. 4 ab. 4. 3 a2b2-3 ab2 + 9ab3c. 5. 12 x3y+20 x2y5 + 4 xyo. 6. a3-4 a2b + 5 ab2-2 b3. 7.4 m2 2m+3. 8. 5m2n - 4 mn + 7 n3. 9. 8. 10. 11. 15. 240. 16. Horse, $52.50;

11. 14. 12. 10§. 13. 12. 14. 20 and 40. cow, $42.50.

Page 190.-1. 24%. 2. 80. 3. 50. 7. $512.40. 8. $4.91. 9. $2000. 13. $401.79. 14. $588.24.

[blocks in formation]

Page 191.-3. 396.268. 4. 125.937. 5. 240.2775.

6. 2227.3134.

7. 28.42. 8. 4.1523. 9. 22.72727. 10. .010949. 11. .0794. 12. 762.40372. 13. 6.0141. 14. .022988. 15. 85.014694.

Page 192.-2. 2.56. 3. 2.0825. 4. 15.625. 5. .005013. 6. 207.36.

[blocks in formation]

9. 1.21. 10. 12,100. 11. .1065. 12. 10,000. 13. 6.9917+. 14. 7.9577+. 17. 3047.619+.

[blocks in formation]
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