Sean and Ian had $159 at first. Sean spent $50 while Ian spent $46 less than him. The amount Ian had left was
25 of the amount Sean had left. How much did Sean have at first?
| |
Sean |
Ian |
Total |
| Before |
2 u + 50 |
5 u + 4 |
159 |
| Change |
- 50 |
- 4 |
|
| After |
2 u |
5 u |
|
Amount that Ian had spent
= 50 - 46
= $4
Total amount that Sean and Ian had at first
= 2 u + 50 + 5 u + 4
= 7 u + 54
7 u + 54 = 159
7 u = 159 - 54
7 u = 105
1 u = 105 ÷ 7 = 15
Amount that Sean had at first
= 5 u + 50
= 5 x 15 + 50
= 75 + 50
= $125
Answer(s): $125
