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9 m 22 y? (1 +36)

4(2bc+6) 31 a (22 m +p)

429 b p2

16 b c 11 23 (m —p)

h2 n2 52 (n-1)

5 b c2 4(x+y)

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SECTION XXIII.

ART. 70.
1. Performed.

al +12
2.

atbc

3bcd-ad+bc 3.

b+bdm bcm + ca m-362 +6bc 4.

8c-4b+bd+cd

2 ab +3bc 5.

5 m2 + 3a + 12c

ac - abc+bcd-cd 6.

. al - 62+bc

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SECTION XXIV.

Art. 74.

1. Ist 8; 2d 3.
2. Ist $12; 2d $16.
3. Cow $25: ox $35.
4. A $12; B $20.
5. Potatoes 2s.; corn $1 per

bushel. 6. Wheat 10 bushels; rye 8 bushels. Sold 5 and 3. 7. Father's $1; son's 2s. 8. 9. 10. He bought 200 lbs. of coffee and 300 lbs. of tea; he sold 160 lbs. of coffee and 200 lbs. of tea. 11. 200 eggs at 2 for a cent; 100 at 5 for 3 cents 12. Smaller 75, larger 100 gallons. 13. Wheat 9s., oats 3s. per bushel. 14. Larger 160, smaller 80 gallons. 15. Upper part 15 feet; lower part 25 feet. 16. A $500; B $700.

SECTION XXV.

Art. 175.

1st, 2d and 3d performed. 4. Flour $7, rice $8 per barrel; sugar $10 per box. 5. Ist 2; 2d 3; 3d 5. 6. A $2; B $0.75; C $0:50. 7. Ist $500; 2d $600; 3d $800. 8. A's 60, B's 80, C's 90 years. 9. Ist 5s.; 2d 6s.; 3d 7s. ; 4th 8s. 10. A $0-30, B $0-40, C $0:50, D $0.60 per lb. 11 Wheat $2, rye $1, barley $14, oats $1, potatoes $t per bushel.

SECTION XXVI.

ART. 76.
1st and 2d performed. 18. 425.

34. 1639.
3. 2100.
19. 90.

35. 561. 4. 10500. 20. 48.

36. 561. 5. 12600. 21. 880.

37. 121. 6. 4500. 22. 1011

38. 8470. 7. 35000. 23. 4.

39. 4. 8. 24. 6.

40. 2. 9. 21. 25. 112.

41. 24. 10. 140. 26. 180.

42. 0. 11. 19 27. 115.

43. 18. 12.12 28. 510.

44. 1. 13. 18. 29. 187.

45. 1. 14. 37. 30 33.

46. 2. 15. 47. 31.

47. 16. 100. 32. 3.

48.

1. 17. 220. 33. 187.

5. The remaining answers in this article being indefinite, are not given.

29 -.

49.

SECTION XXVII.

ART. 77.

1st and 2d performed. 3. 60 and 90. 4. 90 and 140. 5. 540 and 660. 6. 11 and 16. 7. 16 and 19. 8. 331 and 361 9. 171 and 301 10. 322 and 662

11th, 12th and 13th performed.
14. 9 oxen, 45 cows, 315 sheep.
15. Performed.
16. 28 days.
17. 336 hours.
18. Performed.
19. A $200; B $150; C $100.
20. A $54; B $27; C $18.
21. $200; $150; $100; $50.

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33. p=íttr

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a

a

1+tr 34. $250. 35. p =

-P

tp 36. •065 or 64 per cent.

-P 37. t =

тр 38. 33 years.

art 39.

1+ tgo 40. £1 4s. 87d. 1

2 41. t = doubled; t= tripled. 42. 164 years, doubled ; 334 years, tripled. 43. 20 years, doubled ; 40 years, tripled.

an 44.

+n
an

am 45. 1st ; 2d

mtn mtn
a

a m 46.

; 1+mtn m

an

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5 a 54.

b 1 5 ab bi

a(4+b), a (3+2b). a(2+36), a 1+46).
6-1
;

;
6-1 b-1 6-1

i

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a+6

years; B's

[ocr errors]

bc

a c —

ac

6 58 A's

years.

2 ad-6 59. Boots

dollars; shoes dollars.

-1 ac (660. 1st

- 1)

ab(c-1) bc-1

6c-1 61. Numerator

ap(m + n)
; denominator

an(p +9).
mq-np

mq-NP
Numerator
(m

an(p+1)
; denominator
np-ma

пр тү

; 2d

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