LESSON LXII. 1. Add together 0.25, 0.67 and 0.92. 4. Add together 0.9, 0.09, 0.009 and 0.27. 6. 4.04. 7. Subtract 0.645 from 3.334. 8. How much is $77.25 less $64.51? 9. Subtract 0.62 from 53. 10. Subtract 2.228 from 34. 11. 12. 21? 13. to 31. Subtract 1.58 from 1, to thousandths. From 3 added to 2.72, subtract 2 added 14. Multiply 24 by 0.008; 45 by 0.9. 15. Multiply 1.27 by 11; 2.35 by 8; 3.27 by 9. 16. What is the product of 346 by 0.02; 154 by 1.3? 17. ton? What will 28 tons of coal cost, at $7.80 a 18. Multiply 0.1 by 0.1; 0.1 by 0.01; 0.01 by 0.01. - NOTE. When the multiplicand has one decimal place, and the multiplier one, how many will the product have? When the multiplicand has one decimal place, and the multiplier two, how many will the product have? When the multiplicand has two decimal places, and the multiplier two, how many will the product have? 19. Multiply 0.0009 by 10; by 100; by 1000. NOTE. Multiplying any decimal by 10 is equivalent to removing the decimal point one place nearer the end; and multiplying by 100 removes the decimal point two places nearer the end; and so on. 20. Multiply 0.007 by 10; by 100; by 1000. 21. What is the profit on 900 yards of cotton cloth, at $0.009 a yard? 22. What cost 10 barrels of flour, at $8.375 a barrel? 100 barrels? 1000 barrels? 23. Multiply $959 by 0.01; by 0.06; by 0.12. 24. How much is 1 per cent. of $959? 6 per cent.? 12 per cent.? 25. How much is 3 per cent. of $150? cent.? 26. How much is 3 27. How much is 5 per per cent. of $240? per cent. of $262? NOTE. per cent. of $262 is $2.096; as 0.006 is more than of a cent, 0.096 is nearer 10 cents than 9 cents. $2.10 is sufficiently exact for 1 per cent. of $262. ΤΟ 28. What is 87 per cent. of $536? 29. What is 6 per cent. of $424? 18 per cent.? 30. What is 7 per cent. of $216.40? 28 per cent.? 31. Required 33 per cent. of $200. 66 per cent. NOTE. 33 per cent. is of 99 per cent 32. If 100 tons of hay cost $20.27, how much costs 1 ton? How much cost 2.5 tons, leaving out fractions of a cent? NOTE. — In leaving out fractions of a cent, call everything over 5 mills, 1 cent. 33. Required 16 per cent. of $212.54. = NOTE. 16 per cent. of $200 is $32; of $12 is $1.92; of $0.54 is $0.09; and $32+$1.92 + $0.09 $34.01, or 16 per cent. of $212.54. per cent. of $200 is $0.54; of $12 is $0.03; of $0.54 is $0.00, less than of a cent; and $0.54 +$0.03=$0.57, or 2 per cent. of $212.54. $34.01+ $0.57 $34.58, the answer. = 34. What is 8 per cent. of $67.33? 18,7% per cent. of $243.50? 35. What is the value of 306 pounds of tea, at 58 cents a pound? NOTE. At $1.00 a pound, it would be worth $306.40; so we must find 58 per cent. of $306.40. 36. What cost 8,6 cords of wood, at $6.43 a cord? 37. At $1.62 a day, how much can a man earn in 8.74 days? 38. How much will 262 pounds of beef cost, at $7.83 per hundred pounds? LESSON LXIII. 1. Divide 8.96 by 7; 8.54 by 7; 9.80 by 8. NOTE. 8 divided by 7 gives 1, and 1 over; .96 and 1 are 186; 186 divided by 7 gives fo, or .28. 2. Divide 2.60 by 4; 3. Divide 21 by 0.7; 28 3.4 by 8; 5.4 by 12. 4. Divide 28.4 by 16; 63.24 by 15; 48.45 by 11, to hundredths. 1 5. Divide 36.3 by 9, to thousandths. 6. How many times is 16 contained in 256? In 2560 ? 7. How many times is 1.6 contained in 25.6? In 256 ? 8. How many times is 7 contained in 63.7? In 6.37? 9. Divide 1 to thousandths, by 6; by 7; by 8; by 9. 10. How many times is 1.4 contained in 2.24? NOTE. is contained in 22 16 times; how many times in To of 224? 11. Divide 1 by 3, to hundredths; to thousandths; to ten thousandths. 12. Divide 16.9 by 1.3; 1.69 by 1.3; 1.69 by 0.13. 13. Divide, to hundredths, 1.82 by 0.12; 18.2 by 1.2; 182 by 12. 14. Divide $164.2 equally among 7 persons, without counting fractions less than of a cent. 15. What is the value of, to thousandths? Of, to thousandths? 16. How many dollars, dimes, and cents in of an eagle? How many dollars, cents and mills? NOTE. By cents are meant whole cents; that is, fractions less than of a cent are to be neglected, and fractions from a cent to 1 cent are to be called 1 cent. 17. How many dollars and cents in of an eagle? How many dimes, cents and mills? 18. 13 of 1 is how many thousandths, nearly? 19. of 1 is how many hundredths, nearly? 20. Divide 2 by 0.01; 3 by 0.001; 1 by 0.08; 1 by 0.008. 21. How many pounds of sugar, at 11 cents a pound, can be bought for $1.76? 22. On what principal will the interest for 0.7 years, at 6 per cent., be $2.52? NOTE. - First find how much the interest on $1 for 0.7 years will be. 23. How many yards of cloth, at 26 yard, can be bought for $1.77? 24. Divide 1.77 by 0.3; by 0.003; by 3. cents a 25. Divide 18.3 by 7, to hundredths; by 0.7, to hundredths; by 0.07, to tenths. 26. How long will it take a man to walk 26.45 miles, at the rate of 5 miles an hour? 27. At of a dollar a bushel, how many bushels of corn can be bought for $7.20 ? 10 28. When corn is of a dollar, and rye 1% of a dollar a bushel, how many bushels, consisting of corn and rye in equal parts, can be bought for $7.35? LESSON LXIV. 1. If 12 yards of cotton cloth cost $1.60, how much will 39 yards cost? NOTE. 39 is 3 times 12, and 3 over; 3 is 3 times the cost of 12 yards gives $4.80, and 12 yards, $0.40. of 12. Then the cost of 2. If 7 hundred-weight of beef cost $64, how much will 23 hundred-weight cost? NOTE. 23 hundred-weight is 3 times 7 hundred-weight, and 2 hundred-weight over, and 2 hundred-weight is 1 quarter of 7 hundred-weight, and 1 quarter of 1 hundred-weight. 3. If 5 thousand of bricks cost $30, how much will 28 thousand cost? 4. 11 is to 33 as $0.54 is to what sum? 5. If 3 and 4 were 12, what, on the same supposition, would 2 and 3 be? 6. If the difference of two numbers is 29, and the greater is 207, what is the less? 7. When the difference between two numbers, and the greater number are given, how do you find the less? 8. If the difference of two numbers is 28, and the less 174, what is the greater? 9. When the difference between two numbers, and the less number are given, how do you find the greater? 10. Bought 232 pounds of beef, at 11 cents a pound, and sold half of it for 13 cents, and half for 14 cents a pound; how much did I gain? 11. Bought 28 yards of broadcloth, at $6 per |