Riordan and Archie have a total of $178. If Riordan gives Archie $36, they will each have an equal amount of money. How much money has each of them at first?
- Riordan
- Archie
|
Riordan |
Archie |
Total |
Before |
1 u + 36 |
1 u - 36 |
$178 |
Change |
- 36 |
+ 36 |
|
After |
1 u |
1 u |
$178 |
(a)
Total amount that Riordan and Archie have in the end
= 1 u + 1 u
= 2 u
2 u = 178
1 u = 178 ÷ 2 = 89
Amount that Riordan has at first
= 1 u + 36
= 89 + 36
= $125
Amount that Archie has at first
= 178 - 125
= $53
Answer(s): (a) $125; (b) $53