Harry and Liam have a total of $200. If Harry gives Liam $20, they will each have an equal amount of money. How much money has each of them at first?
- Harry
- Liam
|
Harry |
Liam |
Total |
Before |
1 u + 20 |
1 u - 20 |
$200 |
Change |
- 20 |
+ 20 |
|
After |
1 u |
1 u |
$200 |
(a)
Total amount that Harry and Liam have in the end
= 1 u + 1 u
= 2 u
2 u = 200
1 u = 200 ÷ 2 = 100
Amount that Harry has at first
= 1 u + 20
= 100 + 20
= $120
Amount that Liam has at first
= 200 - 120
= $80
Answer(s): (a) $120; (b) $80