Andy had $88.90 more than Xavier. After Xavier had spent
58 of his money, Andy had $139.40 more than Xavier. How much money did Andy have at first?
|
Andy |
Xavier |
More |
Before |
8 u + $88.90 |
8 u |
$88.90 |
Change |
|
- 5 u |
|
After |
8 u + $88.90 |
3 u |
5 u + $88.90 |
Andy had $139.40 more than Xavier in the end.
8 u + 88.90 - 3 u = 139.40
5 u + 88.90 = 139.40
5 u = 139.40 - 88.90
5 u = 50.50
1 u = 50.50 ÷ 5 = 10.10
Amount that Andy had at first
= 8 u + 88.90
= 8 x 10.10 + 88.90
= 80.80 + 88.90
= $169.70
Answer(s): $169.70