Bobby had $88.90 more than Owen. After Owen had spent
37 of his money, Bobby had $147.40 more than Owen. How much money did Bobby have at first?
|
Bobby |
Owen |
More |
Before |
7 u + $88.90 |
7 u |
$88.90 |
Change |
|
- 3 u |
|
After |
7 u + $88.90 |
4 u |
3 u + $88.90 |
Bobby had $147.40 more than Owen in the end.
7 u + 88.90 - 4 u = 147.40
3 u + 88.90 = 147.40
3 u = 147.40 - 88.90
3 u = 58.50
1 u = 58.50 ÷ 3 = 19.50
Amount that Bobby had at first
= 7 u + 88.90
= 7 x 19.50 + 88.90
= 136.50 + 88.90
= $225.40
Answer(s): $225.40