78. What will 75 acres of land cost at $125 per acre? 79. If a carriage wheel turns 476 times in going a mile, how many times will it turn in going 108 miles? 80. 83 × 72 × 65, — 108, + 983 = ? 84. What is the product when 849 is both multiplicand and multiplier ? 85. What will 325 barrels of flour cost at $9.55 per barrel ? 86. 85 and 128 are the factors of what number? 87. 648 x $78.56, $ 2846.84 = how much? 1. What will 8 books cost if one book costs $3. 2. A piece of work is done in 7 days by 8 men. How many days will one man require ? 3. If you miss 9 words every day, how many will you miss in a week? 4. James earned 8 cents a day carrying papers. How much was that per week? 5. What is my weekly milk bill if I take 2 quarts daily at 10 cents a quart? 6. What will 56 sewing-machines cost at $100 each? 7. What will 500 barrels of flour cost at $8 a barrel ? 8. Mr. Rice bought 10 dictionaries at $8.75 each. What did they cost? 9. What will 8 gallons of oil cost at $0.10 a gallon? 10. Bought 8 pounds of rice at 9 cents, and 7 pounds of sugar at 10 cents. How much change shall I receive if I give the grocer three half-dollars? 11. I have 4 bags of nuts, each containing 2 bushels, worth $3 a bushel. What are they all worth? 12. Name the factors of 48; 56; 72; 54; 36; 49; 64; 32; 28. 13. How many cents are there in $9? 14. How many cents are there in $14.68? 15. Jane bought 10 2-cent stamps, 20 3-cent stamps, and 15 postal cards. What did she pay for them? Find the cost 1. Of 126 barrels of flour at $5.67 a barrel. 8. Mrs. Smith bought 18 yards of silk at $ 2.37 a yard, and 16 yards of trimming at $1.12 a yard. What was the amount of her bill? 9. Find what I paid for 17 tons of coal at $6.50, and 9 cords of wood at $5.42 per cord. 10. A farmer bought 160 acres of woodland at $10.75 per acre, and sold it all for $1800. How much did he gain? 11. At 27 cents a pound what will a turkey weighing 14 pounds cost? 12. If a freight-car will carry 14115 pounds of coal, how many pounds will 36 such cars carry? 13. A conductor runs from Boston to Lawrence and back twice a day. The distance is 26 miles. How far does he travel in 8 weeks of 6 days each? 14. A merchant bought 7 bales of cotton, each bale weighing 488 pounds, at 12 cents a pound. What was the cost? L 89. 1. In one inclosure a farmer has 6 sheep, in another 10, and in a third twice as many as in the first. How many sheep are there in the three inclosures? 2. How many are 6 + 10 + 2 × 6? 3. What is the product of 12 x 9? Of 8 x 12? 4. What number added to 6 x 6 will make 40 ? 5. What is three times the difference between 4 × 5 and 6 x 5? 6. What is the value of 7+ 811 ? Of 16 + 3 9? 7. How much greater is 9+ 7 than 9-7 ? 8. The minuend is 23, and the subtrahend 12. What is the difference? 9. Mr. Brown bought 9 sheep at $4 apiece, and gave in payment a note for $25, and the remainder in cash. How much cash did he pay? 10. Subtract twice the difference between 6 and 9 from their product. 11. A man started at 8 o'clock in the morning to walk 40 miles. He walked till noon at the rate of 4 miles an hour. How far was he then from the end of his journey? 12. A fruit-dealer bought a bunch of five dozen bananas for $2, and sold them for 5 cents each. How much did he gain? 13. Edward Snow sells 20 papers daily. If he makes a cent on each, what are his weekly earnings? 14. What number added to 7 x 7 will make 9 x 6 ? 15. How many corners have 7 squares and 5 triangles? 16. I bought 4 pounds of meat at 7 cents a pound, and 3 pounds of sugar at 8 cents a pound. I gave the dealer a quarter-dollar and three dimes. What change did he give me? 17. Henry is now 17 years old. Eight years ago his sister was just twice as old as he was: How old was she? 18. Jennie earned 9 cents Monday and 5 cents every other day but Sunday for a week. She spent 12 cents for a pencil. How much had she left? 19. What are the three factors of 24? Of 48? Of 50? |