8. A diamond dealer sold certain rings at a profit of 150%. His actual gain on each ring was $240. How much had each cost him?

9. Candy was sold at the Red Cross counter in Ida's school at a profit of 125%. If $4 was gained during the week, how much was paid for the candy sold?

If the owner lost $120

10. Books were sold at a sacrifice. by selling at a loss of 15%, what was the cost of the books?

To find the cost when the selling price and the profit or loss per cent are given.

Example 1: A farm is sold for $4500 at a profit of 25%. Find the cost.

Example 2: Remnants are sold for $60 at a loss of 20%. Find the cost.

Since the remnants are sold at a S. P. = C. loss of 20% (20% of the cost), the sell- | S. P.= $60 ing price is 20% less than the cost.

C.= $60

C. $60-$75, Ans.

What per cent of the cost is each selling price?

[Without pencil]

1. A hat was sold for $6 at a profit of 100%. How much did it cost?

2. A piano was sold for $250 at a profit of 25%. What was the cost?

3. By selling a machine for $80 a dealer made a profit of 333%. What was the cost? the gain?

4. A man lost 10% by selling a slightly damaged desk for $27. What was the cost?

5. Certain shopworn dresses were sold for $80, at a loss of 20%. Find the cost.

6. Mr. Allison sold his automobile for $1800, at a loss of 25%. How much did it cost him?

7. A man lost 12% in selling his talking machine. What was the cost if the selling price was $70?

8. Ribbon was sold at a profit of 50%. Find the cost when the selling price was $1.50 per yard.

9. A manufacturer made a profit of 40% by selling dresses for $140. How much did they cost him?

10. If a profit of 150% was made by selling yarn for $50, what was the cost?

Note carefully what is given and what is required. Check all work to make sure that your answer is correct.

[With pencil]

1. Find the cost of a hat which when sold at $7.40 gives a profit of 48%.

2. An automobile was sold for $1100 at a loss of 12%. Find the cost and the loss.

3. If by selling certain ornaments at $29 a dozen a manufacturer made a profit of 45%, how much money did he gain?

4. By selling potatoes at $3.50 a bushel, a grocer made a profit of 40%. How much did he pay for the potatoes?

5. A man retiring from business sold his goods for $1300, thereby losing 35%. How much did he lose?

6. By selling books for $120, a bookseller lost 33%. Find the cost.

7. A boy lost 121% by selling his skates for $3.50. Find his loss.

8. A dealer sold a pair of skates for $8.40, making a profit of 20%. How much did the skates cost him?

9. A druggist gained 200% by retailing a certain drug at $2.40 an ounce. How much did it cost him?

10. A merchant made a profit of 150% on velvet which he sold for $2.25 a yard. Find the cost.

1. Mr. Jonathan F. Findlay is a dealer in cloth and silk. Last week he imported 150 yd. of serge at 4s. 6d. per yard and 400 yd. of cheviot at 6s. 3d. per yard. How much did he pay for these in United States money? (Use 18.= $.25.)

2. He sold the serge at $2 per yard, less 5% discount, and the cheviot at $3 per yard, less a discount of 6%. How much did he receive for all?

3. What was his per cent of profit on these goods, if in addition to the cost of the goods he paid $148.25 duty?

4. He imported dress silk from France as follows: 25 pieces, each containing 16 yd., at 3 fr. 50 c. per yard, and 10 pieces, each containing 15 yd., at 4 fr. per yard. He paid a duty of 60% of the list price in addition. How much did he pay in our money for the goods? (Use 1 fr.= $.20.)

5. He sold all the silk at $2 per yard. What per cent of profit, to the nearest tenth per cent, did he make, if he allowed a discount of 10%?