Sean and Glen had a total of $193. Sean gave $10 to Glen. In return, Glen gave $31 to Sean. In the end, Sean had $27 more than Glen. How much money did Sean have at first?
| |
Sean |
Glen |
Total |
| Before |
? |
|
$193 |
| Change 1 |
- $10 |
+ $10 |
|
| Change 2 |
+ $31 |
- $31 |
|
| After |
1 u + $27 |
1 u |
$193 |
Total amount that Sean and Glen had
= 1 u + 1 u + $27
= 2 u + 27
2 u + 27 = 193
2 u = 193 - 27
2 u = 166
1 u = 166 ÷ 2 = 83
Amount that Sean had in the end
= 1 u + 27
= 83 + 27
= $110
Amount that Sean had at first
= 110 - 31 + 10
= $89
Answer(s): $89
