SOLVING PROBLEMS 1. 39 ladies' suits, each requiring 12 yards, were made from a lot of cloth containing 576 yards. How many yards were left? 12 yd. in 1 suit. 39 number of suits. 108 36 468 yd. in 39 suits. Study of Problem 1. State this problem in another way. 2. What operation is employed in the first step in the solution? in the second? 3. Prove that the answer 576 yd. - 468 yd. = 108 yd. is correct. 2. A boy sold 16 books at 20 cents each, and 36 toys at 26 cents each. How much more did he receive for the toys than for the books? 3. Mr. Boyd's mail route is 231 miles, and Mr. Burton's is 171 miles. How much farther does Mr. Boyd travel in 84 days than Mr. Burton? 4. A school term is 180 days. If James attends of the term, how many days is he absent from school? 5. A bookkeeper receives $150 a month, and saves $68 a month. How much does he spend in a year? 6. Harry works 48 hours after school each month, at 12 cents per hour, and Henry 521 hours at 16 cents per hour. Find the difference in their wages. 7. A merchant buys 28 bbl. of sugar at $23 a barrel, and 36 bbl. at $24 a barrel. If he sells all for $1856, how much does he gain? SOLVING PROBLEMS 1. A merchant paid $420.48 for carpet, and sold it for $569.40. If he gained 17 many yards did he buy? $569.40 selling price of all. 420.48 cost price of all. $148.92 gain of all. Gain on 1 yd. $.17)$148.92 gain on all. 876 times, or yd. on each yard, how Study of Problem 1. What do you mean by the term "cost"? 2. What do you mean by "selling price"? by "gain"? 3. How do you find the total gain? 4. Prove that the answer is correct. 2. I bought land for $1850, and sold it for $2294, thereby gaining $6 an acre. How many acres did I buy? 3. A drover bought cows for $1500, and sold them for $2250. If he gained $15 on each, how many did he buy? 4. Mr. Kinney paid $2640 for a city lot, and sold it for $4560. If he gained $24 a front foot, how many front feet did he sell? 5. The population of a town was 8675 in 1900, and 12,635 by a special census taken in 1913. What was the average yearly increase? 6. Mr. Beggs paid $288 rent last year. This year he pays $36 less. What is his rent per month? 7. A jeweler bought rings for $140 and sold them for $160. If he gained $.50 on each, how many did he buy? SOLVING PROBLEMS 1. A laborer worked 16 days at $1.60 a day, and with his earnings bought potatoes at 64 a bushel. How many bushels did he receive? 2. If 124 bags of coffee, each weighing 48 lb., were bought for $729.12, what was the price per pound? 3. At 20 per hour how long will it take a laborer to earn $80, working 8 hours per day? 4. If 96 bu. of corn sell for $60.48, what is the value of 250 bushels at the same price? 5. In how many days does a man walk 960 miles if he averages 2 miles per hour for 8 hours each day? 6. If a dozen lemons cost $.36, how much will 840 lemons cost? 7. If 25 bbl. of flour weigh 4900 lb., how much will 56 bbl. weigh? 8. If 23 carriages cost $4025, how much are 84 such carriages worth? |