Riordan had $48 more than Elijah. After each of them bought an identical shirt from a shop. Riordan was left with 5 times as much money as Elijah. Given that Riordan had $70 at first, how much did each shirt cost?
| |
Riordan |
Elijah |
Difference |
| Before |
$70 |
|
$48 |
| Change |
- 1 shirt |
- 1 shirt |
|
| After |
5 u |
1 u |
4 u |
Since Riordan and Elijah each bought an identical shirt, the difference in amount that they had at first and in the end remains the same.
4 u = 48
1 u = 48 ÷ 4 = 12
Amount that Riordan had left
= 5 u
= 5 x 12
= $60
Cost of the shirt
= 70 - 60
= $10
Answer(s): $10
