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contained in 13?

Ans. 35.

contained in 17?

Ans. 24.

5

6

contained in 18?

of

contained in of 21?

3. How many times is 9. How many times is 10. How many times is 11. How many times is 12. What is the quotient of of 4, divided by

of 31?

13. What is the quotient of 1 of 7 of 36 divided by 13 times ?

Ans. 31.

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plex fraction, and the process of performing the division is called reducing a complex fraction to a simple one.

We simply reduce the upper number, or dividend, to an improper fraction, and the lower number, or divisor, to an improper fraction, and then divide as before.

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17. What is the value of

18. What is the value of

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19. If a horse eats of a bushel of oats in a day, how many days will he eat 51 bushels? Ans. 14 days. 20. How many times will 43 gallons of oil fill a vessel that holds of of 1 gallon? Ans. 10 times. 21. If 14 acres of meadow land produce 32 tons of hay, how many tons will 5 acres produce? Ans. 113 tons.

RELATION OF NUMBERS.

EXAMPLES.

141. To find what part one number is of an

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RULE. Divide the number of which the part is to be

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whole number, will be 4 times of 180, which is 240.

=

RULE. Multiply the number by the fraction with its terms inverted; or, divide the number by the fraction.

Find the number of which:

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PROMISCUOUS EXAMPLES.

49

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1. Reduce 1, 5, 3, and 4 to equivalent fractions whose denominators will be 24. Ans. 14, 24, 24, 24. 2. Change to an equivalent fraction having 91 for Ans. 5.

its denominator.

3. Find the least common denominator of 4, 13, of , 2, 1 of 1 of 11%.

4. Add 4, 7, ‡ of 11, 3, and 11.

5. Find the difference between of 67 and 5 of 4,85.

Ans. 118.

6. The less of two numbers is 47564, and their difference is 1283. What is the greater number?

Ans. 4885376.

7. What is the difference between the continued products of 3, }, }, 43, and 3}, }, 4, f? . Ans. 317.

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21

8. Reduce the fractions and to their simplest form.

9. What number multiplied by will produce 18257? 10. A farmer had of his sheep in one pasture, in another, and the remainder, which were 77, in a third pasture. How many sheep had he? Ans. 140 sheep. 11. What will 73 cords of wood cost at of $9 per cord? Ans. $2411. 12. At of a dollar per bushel, how many bushels of apples can be bought for $57?

13. I paid $1837 for 7350

much was that per bushel?

bushels of oats. How Ans. of a dollar.

14. If 235 acres of land cost $4725%, what will 628

acres cost?

Ans. $12601. 15. A man, owning of an iron foundry, sold of his What was the value of the foundry? Ans. $4055.

share for $5403.

16. 142 less

of 83 140

is of of what number? Ans. 27.

17. A merchant bought 43 cords of wood at $3 per cord, and paid for it in cloth at § of a dollar per yard. How many yards were required to pay for the wood?

18. How many yards of cloth, of a yard wide, will line 20 yards, 14 yards wide? Ans. 341 yards. 19. If the dividend is 7, and the quotient, what is the divisor?

20. If the sum of two fractions is ğ, and one of them what is the other? Ans. 46.

is 20,

21. If the smaller of two fractions is 4, and their difference is, what is the greater?

22. If 3

Ans. .

pounds of sugar cost 33 cents, what must be paid for 65 pounds?

23. A certain sum of money is to be divided among 5 persons; A is to have 1, B, C, D 2%, and E the remainder, which is $20. What is the whole sum to be divided? Ans. $50.

24. What number, diminished by the difference between and of itself, leaves a remainder of 34? Ans. 40.

25. If 324 bushels of barley can be had for 2591 bushels of corn, how much barley can be had for 2000 bushels of corn? Ans. 2500 bushels. 26. If of a farm is valued at $1728, what is the value of the whole ?

27. I bought 320 sheep at $24 per head; I afterwards bought 435 at $17 per head; then sold of the whole number at $13 per head, and the remainder at $21. Did I gain or lose, and how much? Ans. Lost $44.

28. If 5 is added to both terms of the fraction 7, will its value be increased or diminished? Ans. Increased 154 29. If 5 is added to both terms of the fraction, will its value be increased or diminished? Ans. Diminished

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