WRITTEN PROBLEMS 163 1. I drove 27 miles a day for 9 days. How far did I drive? 2. The postman brings me 9 letters each day. How manv letters does he bring in 31 days at this rate? 3. I spend an average of 18¢ a day for car fare. How much do I spend for car fare in 9 days? 4. I pay 23¢ a week for the morning paper. What does the paper cost me for 9 weeks? 5. The sales in a small store averaged $69 a day. What were the sales for 9 days? 6. If salt sells for $9 a barrel, how much will 29 barrels cost? How much will 19 barrels cost? 7. When hay is worth $29 a ton, how much will 8 tons cost? How much will 9 tons cost? 8. When an airplane travels at the rate of 92 miles an hour, how far will it travel in 9 hours? 9. Joe's father sold 6 dozen oranges at 48¢ a dozen. How much did he receive for the oranges? 10. When cotton is worth 9¢ a pound, what will be the cost of a bale weighing 512 pounds? 11. When coal costs $9 a ton, what will be the cost of a car containing 38 tons? 12. When western apples are selling in the east at 9¢ a pound, how much will 112 pounds of apples cost? 13. When California grapes are selling at 9¢ a pound, what will be the selling price of a box of 76 pounds? 14. When cattle are selling at 9¢ a pound, what will be the selling price of an animal weighing 987 pounds? 15. If each story of a building is 9 feet high, how far above the first floor is the top of the seventh story? 164 DIVISION BY NINE 1. Count by 9 as far as 108. 2. Make the division table by dividing the following numbers by 9: 9 18 27 36 45 54 63 72 81 90 99 108 |