The cost price of a sweater is 10% less than that of the skirt. A profit of 30% is made when the skirt is sold for $26. What is the cost price of the sweater?
| |
Sweater |
Skirt |
| Cost price |
90% |
100% |
| Profit |
|
+ 30% |
| Selling price |
|
130% |
Cost price of the skirt in percentage = 100%
Cost price of the sweater in percentage
= 100% - 10%
= 90%
Selling price of the skirt in percentage
= 100% + 30%
= 130%
130% → 26
1% → 26 ÷ 130 = 0.20
90% → 90 x 0.20 = 18
Cost price of the sweater = $18
Answer(s): $18
