Sam and Bobby had $187 at first. Sam spent $59 while Bobby spent $36 less than him. The amount Bobby had left was
411 of the amount Sam had left. How much did Sam have at first?
| |
Sam |
Bobby |
Total |
| Before |
4 u + 59 |
11 u + 23 |
187 |
| Change |
- 59 |
- 23 |
|
| After |
4 u |
11 u |
|
Amount that Bobby had spent
= 59 - 36
= $23
Total amount that Sam and Bobby had at first
= 4 u + 59 + 11 u + 23
= 15 u + 82
15 u + 82 = 187
15 u = 187 - 82
15 u = 105
1 u = 105 ÷ 15 = 7
Amount that Sam had at first
= 11 u + 59
= 11 x 7 + 59
= 77 + 59
= $136
Answer(s): $136
