George and Sean had a total of $151. George gave $20 to Sean. In return, Sean gave $36 to George. In the end, George had $17 more than Sean. How much money did George have at first?
| |
George |
Sean |
Total |
| Before |
? |
|
$151 |
| Change 1 |
- $20 |
+ $20 |
|
| Change 2 |
+ $36 |
- $36 |
|
| After |
1 u + $17 |
1 u |
$151 |
Total amount that George and Sean had
= 1 u + 1 u + $17
= 2 u + 17
2 u + 17 = 151
2 u = 151 - 17
2 u = 134
1 u = 134 ÷ 2 = 67
Amount that George had in the end
= 1 u + 17
= 67 + 17
= $84
Amount that George had at first
= 84 - 36 + 20
= $68
Answer(s): $68
