8. What must I pay for 3 gals. of syrup, at 20 cts. a quart?

9. What part of a gallon are 2 qts.? 3 qts.? 3 pts.? 7 pts.?

10. What will 5 gals. 3 qts. of oil cost, at 8 cts. a quart?

11. What will 72 gi. of vinegar cost, at 7 cts. a quart?

156. 12.

WRITTEN EXERCISES.

How many pints in 5 gals. 2 qts.?

EXPLANATION: 5 gals. 5 times 4 qts. =20 qts. 20 qts.+2 qts. =22 qts.

22 qts. 22 times 2 pts. =44 pts.

Hence, 5 gals. 2 qts. =44 pts.

13. Change 119 pts. to higher denominations.

2 pts.)119 pts.

59 times, with 1 pt. remaining.

4 qts.)59 qts.

14 times, with 3 qts. remaining.

EXPLANATION:

Since 2 pts. make 1 qt., in 119 pts. there are as many quarts as there times 2 pts. Since 4 qts.

are

in 119 pts., which is 59 times, with 1 pt. remaining.

as there are

make a gallon, in 59 qts. there are as many gallons times 4 qts. in 59 qts., which is 14 times, with 3 qts. remaining. Hence, 119 pts. 14 gals. 3 qts. 1 pt.

14. How many gills in 4 gals. 2 qts. 1 pt.? In 7 gals. 1 pt. 2 gi.? In 12 gals. 1 qt. 1 pt. 2 gi.?

20 gals. 3 gi.?

15.

In

Change to higher denominations, 320 gi.; 1,371 pts.; 2,785 pts.; 3,908 gi.

16. How many days will a barrel of oil containing 45 gals. last, if a pint is burned each day?

17. What are 504 pts. of molasses worth, at 40 cts. a gallon?

18. How many barrels, each containing 43 gals. 3 qts. 1 pt., can be filled from a tank containing 1,184 gals. 2 qts. 1 pt. of oil? (How many pints in 1 bbl.? How many pints in the tank?)

19. What is the cost of 192 gi. of alcohol, at $3 a gallon?

157. Dry Measure.

The standard unit of dry measure is the bushel, which is 18 in. in diameter and 8 in. deep; it contains 2,150.42 cu. in.

NOTE: The liquid quart contains 573 cu. in., and the dry quart, 67 cu. in.

ORAL EXERCISES.

158. 1. How many quarts in 7 pks.? In 9 pks.? In 12 pks.? In 5 pks. 3 qts.? In 8 pks. 5 qts.? In 11 pks. 7 qts.?

2. How many pecks in 40 qts.? In 50 qts.? In 56 qts.? In 68 qts.? In 78 qts.?

3. How many bushels in 33 pks.? In 43 pks.? In 64 pks.? In 80 pks.? In 100 pks.?

4. What is the cost of 6 qts. of beans, at 6 cts. a pint?

5. A boy picked 2 bu. of cherries, at 15 cts. a peck. How much money did he receive for his work? What were the cherries worth, at 10 cts. a quart?

6. How many pies could be made from the cherries, if a pint be used to make 1 pie?

7. What part of a bushel is 1 pk.? 2 pks.?

8.

3 pks.?

What part of a peck is 1 qt.? 3 qts.? 7 qts.? 9. What is 1 bu. 3 pks. of clover seed worth, at 8 cts. a quart?

10. What will 128 qts. of gooseberries cost, at 50 cts. a peck?

11. Find the cost of 480 qts. of peas, at $2 a bushel.

159.

WRITTEN EXERCISES.

12. How many pints are there in 8 bu. 3 qts. 1 pt.? In 18 bu. 3 pks. 6 qts. 1 pt.?

13. Change to higher denominations: 3,042 pts.; 4,913 pts.; 4,582 qts.

14. Find the cost of 36 bu. of beans, at 25 cts. a quart?

15. What are 54,144 pts. of chestnuts worth, at $3 a bushel? (How many pints in a bushel?)

16. How many barrels, each holding 3 bu. 1 pk. 5 qts., are required to hold 183 bu. 3 pks. 6 qts. of potatoes? (How many quarts of potatoes? How many quarts in a barrel?)

17. A fruit-grower sold 2,496 qts. of plums in one How many bushels did he sell?

season.

MEASURES OF WEIGHT.

160. Troy Weight.

Weight is the measure of the earth's gravity. It is determined by the use of scales, steelyards, or balances. Troy weight is used in weighing gold, silver, and jewels. The United States standard unit of Troy weight is the Troy pound, which contains 5,760 grains.

161. 1. How many grains are there in 2 pwt.? In 3 pwt.? In 4 pwt.? In pwt.? In pwt.? In & pwt.? In pwt.?

2. How many pennyweights in 3 oz.? In 7 oz.? In 9 oz.? In 4 oz. 8 pwt.? In 5 oz. 16 pwt.?

3. How many pennyweights in

oz.? In oz.? In oz.? In

oz.? In oz.? In

oz.?

4. How many ounces in 8 lbs.? In 9 lbs.? In 4 lbs.

6 oz.? In 7 lbs. 7 oz.? In lb.? In lb.? In

5. How many grains in 12 oz.? In 1 lb.?

lb.?

6. How many pennyweights in 36 gr.? In 48 gr.? In 72 gr.?

7. What part of a pennyweight are 12 gr.? 8 gr.? 15 gr.? 16 gr.? 20 gr.?

8. How many ounces in 40 pwt.? In 50 pwt.? In 60 pwt.? In 75 pwt.? In 90 pwt.?

9. What part of an ounce are 10 pwt.? 12 pwt.? 15 pwt.? 18 pwt.?

10. How many pounds in 36 oz.? In 50 oz.? In

65 oz.? In 80 oz.?

WRITTEN EXERCISES.

162. 11. Change 4 oz. 16 pwt. to grains.

EXPLANATION: Since 20 pwt. make 1 oz., there are as many ounces in 1,340 pwt. as there are times 20 pwt. in 1,340 pwt., or 67 times. Since

12 oz. make a pound, there are as many pounds in 67 oz. as there are times 12 oz. in 67 oz., or 5 times, with 7 oz. remaining. Hence, 1,340 pwt. 5 lbs. 7 oz.