The cost price of a dress is 10% less than that of the blouse. A profit of 20% is made when the blouse is sold for $24. What is the cost price of the dress?
| |
Dress |
Blouse |
| Cost price |
90% |
100% |
| Profit |
|
+ 20% |
| Selling price |
|
120% |
Cost price of the blouse in percentage = 100%
Cost price of the dress in percentage
= 100% - 10%
= 90%
Selling price of the blouse in percentage
= 100% + 20%
= 120%
120% → 24
1% → 24 ÷ 120 = 0.20
90% → 90 x 0.20 = 18
Cost price of the dress = $18
Answer(s): $18
