Carl and Eric have a total of $104. If Carl gives Eric $10, they will each have an equal amount of money. How much money has each of them at first?
- Carl
- Eric
|
Carl |
Eric |
Total |
Before |
1 u + 10 |
1 u - 10 |
$104 |
Change |
- 10 |
+ 10 |
|
After |
1 u |
1 u |
$104 |
(a)
Total amount that Carl and Eric have in the end
= 1 u + 1 u
= 2 u
2 u = 104
1 u = 104 ÷ 2 = 52
Amount that Carl has at first
= 1 u + 10
= 52 + 10
= $62
Amount that Eric has at first
= 104 - 62
= $42
Answer(s): (a) $62; (b) $42