Bobby had $60 more than Ryan. After each of them bought an identical cardigan from a shop. Bobby was left with 7 times as much money as Ryan. Given that Bobby had $118 at first, how much did each cardigan cost?
| |
Bobby |
Ryan |
Difference |
| Before |
$118 |
|
$60 |
| Change |
- 1 cardigan |
- 1 cardigan |
|
| After |
7 u |
1 u |
6 u |
Since Bobby and Ryan each bought an identical cardigan, the difference in amount that they had at first and in the end remains the same.
6 u = 60
1 u = 60 ÷ 6 = 10
Amount that Bobby had left
= 7 u
= 7 x 10
= $70
Cost of the cardigan
= 118 - 70
= $48
Answer(s): $48
