The cost price of a coat is 20% less than that of the blouse. A profit of 10% is made when the blouse is sold for $55. What is the cost price of the coat?
| |
Coat |
Blouse |
| Cost price |
80% |
100% |
| Profit |
|
+ 10% |
| Selling price |
|
110% |
Cost price of the blouse in percentage = 100%
Cost price of the coat in percentage
= 100% - 20%
= 80%
Selling price of the blouse in percentage
= 100% + 10%
= 110%
110% → 55
1% → 55 ÷ 110 = 0.50
80% → 80 x 0.50 = 40
Cost price of the coat = $40
Answer(s): $40
