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LESSON IV.

1. How much is the cost of 8 cords of wood, if 6 cords at the same rate cost $ 48 ?

2. If į of 6 tons of coal is worth $30, how much, at the same rate, is 4 tons worth?

3. How far can a man travel in 6 hours, if he can travel 32 miles in 4 hours ?

4. In how many hours can a man travel 49 miles, if he can travel 35 miles in 5 hours ?

5. If 4 boys can earn $ 36 in one week, how much can 7 men earn in the same time ?

6. If 3 sheep can be bought for $ 36, at the same rate how many sheep can be bought for $ 84 ?

7. If 3 men can mow 33 acres of grass in one week, how many acres can 7 men, working as fast, mow in the same time?

8. How many miles can a man travel in 8 hours, if he can travel 28 miles in 4 hours ?

9. If 3 men earn $ 240 in one inonth, at the same rate how much can 9 men earn ?

10. How many tons of coal at $ 6 a ton should be given in exchange for 12 barrels of flour at $4 a barrel ?

11. If the cost of 5 sheep is $ 45, how much, at the same rate, is the cost of 9 sheep?

12. If a man saves $ 9 a week, at the end of how many weeks will he be able to pay for 12 tons of coal at $ 6 a ton ?

13. If a boy's wages for 6 weeks are $ 54, in how many weeks will the wages he has received amount to $ 72 ?

14. If a 7-acre field is rented for $ 56, how much, at the same rate, would a 9-acre field rent for ?

15. What is the interest of a note for 7 months, if the interest for 5 months is $ 45 ?

LESSON V.

1. At $6 a cord, how many cords of wood may be exchanged for 4 tons of hay at $ 12 a ton ?

2. At $7 a barrel, how many barrels of flour may be exchanged for 7 barrels of cider at $8 a barrel ?

3. If $ 54 was paid for a certain quantity of brick at $6 a thousand, how much must be paid for the same quantity of brick at $ 7 a thousand ?

4. If 8 melons are worth 56 oranges, at the same rate, how many oranges are 10 melons worth ?

5. If the interest of a note for 8 months is $ 64, what is the interest for 9 months ?

6. If 7 barrels of pork are worth $ 63, at the same rate, how much is 9 barrels worth?

7. What is the tax on 12 acres of land, if the tax on 9 acres is $ 72 ?

8. How many rods of ditch can 11 men dig in one week, if 8 men can dig 72 rods in the same time?

9. If 9 barrels of cider are made from 81 bushels of apples, from how many bushels can 12 barrels be made ?

10. If 8 girls can pick 88 quarts of strawberries in a day, how many quarts can 9 girls pick in the same time?

11. If 12 men can cut 84 acres of wheat in one day, how many men can cut 56 acres in the same time?

12. How far can a certain vessel sail in 9 hours, if it can sail 88 miles in 11 hours ?

13. How many barrels of beef can be bought for $ 108, if 9 barrels cost $ 81 ?

14. If a man can travel 110 miles in 11 hours, in how many hours will he be able to travel 120 miles ?

15. Among how many boys may $1.44 be divided, if the number of cents given to each boy equals the number of boys ?

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LESSON VI.

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1. If 3 books cost $5, at the same rate, what is the cost of 12 books ?

2. What is the cost of 4 yards of cloth, if 8 yards cost $ 12 ?

3. If 4 barrels of flour cost $ 20, at the same rate, how much is the cost of 12 barrels ?

4. How far can a boy walk in 3 hours, if, at the same rate, he can walk 21 miles in 9 hours ?

5. If a man can earn $ 7 in 5 hours, how much, at the same rate, can he earn in 20 hours ?

6. How many yards of cloth can be bought for $5, if 12 yards can be bought for $15 ?

7. If 4 yards of silk cost $ 5, at the same rate, how much is the cost of 16 yards ?

8. What is the cost of 5 bushels of potatoes, if 15 bushels cost $ 18 ?

9. If 6 can cut 7 acres of grass, how many men, in the same time and working as fast, can cut 21 acres ?

10. What is the cost of 6 boxes of soap, if 24 boxes cost $ 28 ?

11. If 5 chairs cost $ 20, at the same rate, how much is the cost of 20 chairs ?

12. How much is the cost of 7 books, if 28 books cost $32 ?

13. If 6 opera tickets cost $ 9, how much, at the same rate, is the cost of 18 tickets ?

14. How much can 7 men earn in a given time, if 28 men doing similar work can earn $ 36 in the time?

15. If 6 turkeys are worth $10, what is the value of 24 turkeys, at the same rate ?

16. If 4 desks of the same pattern are worth $ 84, how much are 3 of the desks worth?

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LESSON VII.

1. If 6 yards of cloth cost $11, at the same rate, how many yards can be bought for $33?

2. How many acres of grass can 7 men mow in one day, if 9 men can mow 27 acres in the same time?

3. If 7 men can earn $ 8 in an hour, at the same rate, how many men can earn $ 32 in an hour ?

4. How many boxes of lemons are worth 9 boxes of oranges, if 32 boxes of lemons are worth 36 boxes of oranges ?

5. If 3 tons of coal are worth 8 cords of wood, how many tons of coal are worth 40 cords of wood ?

6. How high is a pole which casts a shadow 35 feet, if, at the same time, a staff 6 feet high casts a shadow 7 feet?

7. If 8 horses can consume 9 bushels of oats in a given time, how many horses, in the same time, can consume 45 bushels ?

8. If the interest of a note for 9 months is $30, how much is the interest of the same note for 3 months ?

9. If 9 men can dig 12 cubic feet of cellar in one hour, how many men can dig 48 cubic feet of the same cellar in the same time?

10. How far can a man walk in 6 hours, if he can walk 60 miles in 18 hours ?

11. If a farmer uses 12 tons of hay in 7 weeks, how many tons will he use in 28 weeks?

12. How many sheep can be bought for $70, if they can be bought at the rate of 3 sheep for $ 10 ?

13. If caps can be bought at the rate of 6 caps for $9, how

many caps are worth $ 54 ? 14. How many yards of silk can be bought for $ 55, if 6 yards can be bought for $11 ?

LESSON VIII. 1. How much is the cost of 8 geese, if, at the same rate, 32 geese cost $ 40 ?

2. If a pole 9 feet high casts a shadow 12 feet, how long is a pole which, at the same time, casts a shadow 36 feet?

3. How many gallons per minute can be pumped by a pressure of 8 pounds, if 54 gallons are pumped by a pressure of 48 pounds ?

4. If 8 men can build 5 rods of stone wall in a week, how many rods of wall can be built by 56 men in the same time?

5. What is the cost of 7 sleds, if the cost of 35 sleds is $ 45 ?

6. If 8 men can earn $ 9 in one hour, at the same rate, how many men can earn $ 54 ?

7. How many acres of land can 27 men plow in a given time, if 9 men can plow 12 acres in the same time?

8. If a man can walk 84 miles in 28 hours, how far, at the same rate, can he walk in 7 hours ?

9. How long a shadow does a man 6 feet tall cast, if a pole 48 feet in height casts a shadow of 64 feet ?

10. If a man's profits in business are $ 12 for 3 days, in how many days will his profits amount to $ 84 ?

11. If 6 bushels of seed produce 72 bushels of grain, at the same rate, how many bushels of grain will 9 bushels of seed produce ?

12. A furnace consumes 63 bushels of coal in 56 days. In how many days will it consume 9 bushels ?

13. If 56 turkeys are worth $ 96, at the same rate, how much are 7 turkeys worth ?

14. What is the cost of 12 neckties, if, at the same rate, 84 neckties cost $ 35 ?

15. How can the cost of 72 cords of wood be obtained from the cost of 12 cords ?

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