Ian and Riordan have a total of $112. If Ian gives Riordan $11, they will each have an equal amount of money. How much money has each of them at first?
- Ian
- Riordan
|
Ian |
Riordan |
Total |
Before |
1 u + 11 |
1 u - 11 |
$112 |
Change |
- 11 |
+ 11 |
|
After |
1 u |
1 u |
$112 |
(a)
Total amount that Ian and Riordan have in the end
= 1 u + 1 u
= 2 u
2 u = 112
1 u = 112 ÷ 2 = 56
Amount that Ian has at first
= 1 u + 11
= 56 + 11
= $67
Amount that Riordan has at first
= 112 - 67
= $45
Answer(s): (a) $67; (b) $45