CHAPTER XLV. READ the following exercises, supplying the proper decimal figures for the ??. Express as common fractions the following hun dredths of a dollar (cents). CHAPTER XLVI. 1. What cost 16 yards of cloth at $0.373 a yard? $0.37 is of a dollar. 2. What is the cost of 40 acres of land at $621 an acre? 3. What is the cost of 32 tons of coal at $6.25 a ton? 4. What is the cost of 48 yards of cloth at $0.16 a yard? 5. What is the cost of 8 barrels of apples at $1.621 a barrel ? 6. At $0.75 a yard, how many yards of cloth will $12 buy? 7. How many are 0.875 of 96 ? 8. One half of 72 is how many hundredths of 48? 9. At $0.03 each, how many pencils can be bought for $0.80? How many dozen pencils for $1.00? 10. What cost a dozen baskets of berries at $0.12 a basket? At $0.16 a basket? 11. If a carpenter works at the rate of $0.371 an hour, how much will he earn in 6 days if he is employed 8 hours a day? CHAPTER XLVII. 1. What is 10% of 200? The character, %, means per cent. of 200 means 10% of 200. Ten per cent 2. What is 6% of $1? Of $5? Of $8? Of $17? 3. What is 121% of $16? Of $48? Of $40? Of $36? 4. A man has 20 sheep and intends to purchase 20% more. How many sheep will he then have? 5. If a man sells 142% of a herd of 84 cattle at $25 each, how much does he receive for them? 6. What per cent of 40 is 142% of 35? 7. What per cent of 80 is 20% of 100? 20% of 200? 8. What per cent of 100 is 25% of 80? 662% of 75? 9. Three hundred men were employed by a contractor. If 831% were able to do the work, how many men were disqualified? 10. In an orchard of 270 trees 331% are pear trees, 50% are apple trees, and the rest are peach trees. How many trees of each kind in the orchard? 11. A farmer had 120 sheep and sold 20% of them. How many sheep did he have left? 12. A school has 300 pupils and 95% are pres How many are absent? ent. 13. If a town of 1500 inhabitants gains in a year 4%, how many does it gain? 14. A merchant pays 10 cents a yard for prints and sells at 20% advance. What does he get a yard? 15. If an agent receives 4% commission for selling $800 worth of goods, how many dollars does he receive? How many does he pay to his employer? 16. If a farmer raised $500 worth of wheat last year and $600 worth this year, what is his per cent gain this year over last year? 17. If Arthur pays 50 cents for a knife and sells it for 55 cents, what is his per cent of gain? 18. A physician who charged during a year for visits $1200, collected 831% of it, and for collecting paid an agent 81%. How much did the physician himself secure? How much did the agent receive for collecting? 19. Of 40 words Julia misspelled 4, James 5, John 8, and Jane 10. What mark on a scale of 100 ought each to have? 20. What per cent of $10 is $2.50? $5? 21. In the conjugation of verbs there are 150 forms to be written. What mark on a scale of 100 ought a boy to receive who missed 1 form? 2 forms? 3 forms? 6 forms? 12 forms? 25 forms? 75 forms? 22. In the declension of nouns there are 75 forms to be written. If a boy is marked 96 on a scale of 100, how many forms does he write incorrectly? A boy who is marked 88? 80? 72? 56? 23. If a man pays $4 for the loan of $331, what per cent does he pay? 24. If a hatter sells for $4 apiece hats that cost him $3.75, what is his per cent of gain? 25. If a hatter sells for $3.75 hats that cost him $4, what per cent does he lose? 26. If a man buys a share of stock for $80 and receives as dividend each year $4, what per cent does he receive? 27. If a man buys a share of stock for $120 and receives as dividend each year $8, what per cent does he get on his investment? 28. If 331 per cent of 60 bushels of corn is sold, how many bushels remain ? 29. If I pay 10% for collecting a bill of $87.50, how much do I get? |