Zeph had $63 more than Neave. After each of them bought an identical cardigan from a shop. Zeph was left with 8 times as much money as Neave. Given that Zeph had $99 at first, how much did each cardigan cost?
| |
Zeph |
Neave |
Difference |
| Before |
$99 |
|
$63 |
| Change |
- 1 cardigan |
- 1 cardigan |
|
| After |
8 u |
1 u |
7 u |
Since Zeph and Neave each bought an identical cardigan, the difference in amount that they had at first and in the end remains the same.
7 u = 63
1 u = 63 ÷ 7 = 9
Amount that Zeph had left
= 8 u
= 8 x 9
= $72
Cost of the cardigan
= 99 - 72
= $27
Answer(s): $27
