Charlie and Bobby had $138 at first. Charlie spent $42 while Bobby spent $26 less than him. The amount Bobby had left was
37 of the amount Charlie had left. How much did Charlie have at first?
| |
Charlie |
Bobby |
Total |
| Before |
3 u + 42 |
7 u + 16 |
138 |
| Change |
- 42 |
- 16 |
|
| After |
3 u |
7 u |
|
Amount that Bobby had spent
= 42 - 26
= $16
Total amount that Charlie and Bobby had at first
= 3 u + 42 + 7 u + 16
= 10 u + 58
10 u + 58 = 138
10 u = 138 - 58
10 u = 80
1 u = 80 ÷ 10 = 8
Amount that Charlie had at first
= 7 u + 42
= 7 x 8 + 42
= 56 + 42
= $98
Answer(s): $98
