Sean and Glen have a total of $216. If Sean gives Glen $30, they will each have an equal amount of money. How much money has each of them at first?
- Sean
- Glen
|
Sean |
Glen |
Total |
Before |
1 u + 30 |
1 u - 30 |
$216 |
Change |
- 30 |
+ 30 |
|
After |
1 u |
1 u |
$216 |
(a)
Total amount that Sean and Glen have in the end
= 1 u + 1 u
= 2 u
2 u = 216
1 u = 216 ÷ 2 = 108
Amount that Sean has at first
= 1 u + 30
= 108 + 30
= $138
Amount that Glen has at first
= 216 - 138
= $78
Answer(s): (a) $138; (b) $78