The ratio of Fabian's money to Ian's money is 11 : 15. If Ian has $660, how much must he give to Fabian so both will have the equal amount of money?
| |
Fabian |
Ian |
Total |
| Before |
11 u |
15 u |
26 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
13 u |
13 u |
26 u |
Comparing Fabian and
Ian in the end |
1 |
1 |
|
Amount that Ian has at first = 15 u
15 u = 660
1 u = 660 ÷ 15 = 44
Total amount that Ian and Fabian have
= 11 u + 15 u
= 26 u
Amount that each of them will have in the end
= 26 u ÷ 2
= 13 u
Amount that Ian must give to Fabian
= 13 u - 11 u
= 2 u
= 2 x 44
= $88
Answer(s): $88
