Rael had $15 more than Seth. After each of them bought an identical skirt from a shop. Rael was left with 4 times as much money as Seth. Given that Rael had $41 at first, how much did each skirt cost?
| |
Rael |
Seth |
Difference |
| Before |
$41 |
|
$15 |
| Change |
- 1 skirt |
- 1 skirt |
|
| After |
4 u |
1 u |
3 u |
Since Rael and Seth each bought an identical skirt, the difference in amount that they had at first and in the end remains the same.
3 u = 15
1 u = 15 ÷ 3 = 5
Amount that Rael had left
= 4 u
= 4 x 5
= $20
Cost of the skirt
= 41 - 20
= $21
Answer(s): $21
