George and Justin have a total of $300. If George gives Justin $27, they will each have an equal amount of money. How much money has each of them at first?
- George
- Justin
|
George |
Justin |
Total |
Before |
1 u + 27 |
1 u - 27 |
$300 |
Change |
- 27 |
+ 27 |
|
After |
1 u |
1 u |
$300 |
(a)
Total amount that George and Justin have in the end
= 1 u + 1 u
= 2 u
2 u = 300
1 u = 300 ÷ 2 = 150
Amount that George has at first
= 1 u + 27
= 150 + 27
= $177
Amount that Justin has at first
= 300 - 177
= $123
Answer(s): (a) $177; (b) $123