Riordan had $36 more than Daniel. After each of them bought an identical skirt from a shop. Riordan was left with 4 times as much money as Daniel. Given that Riordan had $89 at first, how much did each skirt cost?
| |
Riordan |
Daniel |
Difference |
| Before |
$89 |
|
$36 |
| Change |
- 1 skirt |
- 1 skirt |
|
| After |
4 u |
1 u |
3 u |
Since Riordan and Daniel each bought an identical skirt, the difference in amount that they had at first and in the end remains the same.
3 u = 36
1 u = 36 ÷ 3 = 12
Amount that Riordan had left
= 4 u
= 4 x 12
= $48
Cost of the skirt
= 89 - 48
= $41
Answer(s): $41
