The cost price of a dress is 40% less than that of the coat. A profit of 20% is made when the coat is sold for $78. What is the cost price of the dress?
| |
Dress |
Coat |
| Cost price |
60% |
100% |
| Profit |
|
+ 20% |
| Selling price |
|
120% |
Cost price of the coat in percentage = 100%
Cost price of the dress in percentage
= 100% - 40%
= 60%
Selling price of the coat in percentage
= 100% + 20%
= 120%
120% → 78
1% → 78 ÷ 120 = 0.65
60% → 60 x 0.65 = 39
Cost price of the dress = $39
Answer(s): $39
