The cost price of a vest is 30% less than that of the shirt. A profit of 10% is made when the shirt is sold for $33. What is the cost price of the vest?
| |
Vest |
Shirt |
| Cost price |
70% |
100% |
| Profit |
|
+ 10% |
| Selling price |
|
110% |
Cost price of the shirt in percentage = 100%
Cost price of the vest in percentage
= 100% - 30%
= 70%
Selling price of the shirt in percentage
= 100% + 10%
= 110%
110% → 33
1% → 33 ÷ 110 = 0.30
70% → 70 x 0.30 = 21
Cost price of the vest = $21
Answer(s): $21
