Perry and Ahmad had $173 at first. Perry spent $39 while Ahmad spent $31 less than him. The amount Ahmad had left was
311 of the amount Perry had left. How much did Perry have at first?
| |
Perry |
Ahmad |
Total |
| Before |
3 u + 39 |
11 u + 8 |
173 |
| Change |
- 39 |
- 8 |
|
| After |
3 u |
11 u |
|
Amount that Ahmad had spent
= 39 - 31
= $8
Total amount that Perry and Ahmad had at first
= 3 u + 39 + 11 u + 8
= 14 u + 47
14 u + 47 = 173
14 u = 173 - 47
14 u = 126
1 u = 126 ÷ 14 = 9
Amount that Perry had at first
= 11 u + 39
= 11 x 9 + 39
= 99 + 39
= $138
Answer(s): $138
