Bobby had $284 and Tom had some money at first. After Bobby spent $77 and Tom spent 55% of his money, they had a total of $225 left. How much money did Tom have at first?
| |
Bobby |
Tom |
| Before |
$284 |
20 u |
| Change |
- $77 |
- 11 u |
| After |
$207 |
9 u |
55% =
55100 =
1120 Amount that Bobby had left
= 284 - 77
= $207
Total amount that Bobby and Tom had left = 207 + 9 u
207 + 9 u = 225
9 u = 225 - 207
9 u = 18
1 u = 18 ÷ 9 = 2
Amount that Tom had at first
= 20 u
= 20 x 2
= $40
Answer(s): $40
