6. Find the weight of 256 bushels of corn at 56 pounds to the bushel. 7. A carpenter spends $2 every day; each day that he works he earns $3; he works 25 days in July and 24 days in August; how much does he save in the two months? 8. In nine loads a wagon hauls 22 400 pounds; the first 7 loads average 2 629 pounds; the eighth load weighs 2000 pounds; what is the weight of the last load? 9. In a square mile there are 640 acres; how many acres are in 27 square miles? A railroad company purchased 28 acres of land at $325 per acre; how much was paid for the whole? II. To plant an orchard 1 072 trees are needed. There are to be 24 rows of apple-trees, 16 trees to the row; 36 rows of peach-trees, 16 to the row; and all the other trees are to be pears; how many pear-trees are needed? 12. From the difference between 18 321 and 20 110, subtract the difference between 234 969 and 235 132. 13. Out of a fifty-dollar note a traveler paid in 3 days $18 dollars for railway fares, and $5 per day for all other expenses. How much of his $50 remained? 14. A field has a fence 12 rails high; in each end there are 75 panels, and in each side 195 panels; how many rails in the fence? 15. Add three thousand one, six hundred seventy, and two thousand four hundred nine. 16. (19×21)-(18×22) = ? 6. 3 271-393 3. 409+816+398 7. 938+832+616 4. 627+392+543 8. 295+793+897 343. Find remainders: I. 2001- 591 5. 7 501-189 11. $56+$342 12. $91+$516 9. 7 162-1398 10. 9307-8 428 II. 6 221-5572 12. 5 160-4 601 SPECIAL CASES IN DIVISION 346. Oral Questions. 1. To multiply 2 by 10, what figure is written after 2? 2. To divide 20 by 10, what figure is dropped from 20? 3. A hundred times 3 dollars are how many dollars? 4. To divide 300 by 100, what two figures are dropped? 5. Divide 4 000 by 2000. 2000)4000 347. Written Problems. 1. The dividend is 400; the divisor is 20; find the quotient. 20)40ø 2. A dealer paid $600 for sewing-machines at $30 apiece; how many did he buy? 3. A farmer bought land at $40 an acre, and paid $8 000; how many acres did he buy? 4. From 300 acres a farmer harvested 6 600 bushels of grain; how many bushels did he get per acre? 5. A merchant had $10 000 in 50-dollar bills; how many bills? 6. A dealer has 100 000 shingles in bundles, each containing 200; how many bundles? 7. A train runs 660 miles at the rate of 30 miles an hour; how long does it take? 348. Oral Questions. 1. Subtract by twos from 24 to 0. 2. John paid 15 cents for oranges at 5 cents apiece; how many oranges did he buy? 3. Subtract by threes from 36 to 0. 4. George paid 20 cents for pencils at 4 cents apiece; how many pencils did he buy? 5. Subtract by fours from 48 to 0. 6. How many nickels are in 50 cents? 8. A man paid $36 for shoes at $2 a pair; how many pairs did he buy? 9. Subtract by sixes from 72 to 0. 10. How many eights are in 56? II. If a man works 8 hours per day, in how many days will he work 96 hours? 349. Written Problems. 1. If a merchant sells sugar at 6 cents per pound, how many pounds does he sell for 66 cents? 2. Some boys shared equally 48 apples; each boy received 4 apples; how many boys were there? 3. A merchant gained $35 from the sale of cloaks, his profit on each cloak being $5; how many cloaks? 6. At 7 cents a quart how many quarts of tomatoes can be bought for $3.85? (385¢ ÷ 7e.) 7. How many times does $816 contain $8? 8. Nine hundred thirty-six dollars will pay how many men $9 each for a week's work? 9. In one bushel there are 32 quarts; how many bushels in 640 quarts? 10. How many hours in 1 440 minutes? 11. A farmer raised 1 170 bushels of corn on a field that produced 26 bushels to the acre; how many acres in the field? 12. A farmer received $56.10 for a bale of cotton sold at 11 cents a pound; find the weight of the bale. 13. In an orchard there are 650 trees, 25 trees to the row; how many rows of trees? 14. A train runs 32 miles an hour; in how many hours will it run 1 000 miles? 15. In a quire of paper there are 24 sheets; how many quires in 600 sheets? 16. A man paid $7.20 for eggs at 18 cents a dozen; how many dozen did he buy? 17. A fence was built with 3 708 rails, 12 rails to the panel; how many panels in the fence? 18. If a man saves $15 a month, in how many months will he save $1 000? 19. How many times can a bucket holding 13 quarts be filled from a vessel holding 299 quarts of water? |