The ratio of Sean's money to Nick's money is 9 : 13. If Nick has $468, how much must he give to Sean so both will have the equal amount of money?
| |
Sean |
Nick |
Total |
| Before |
9 u |
13 u |
22 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
11 u |
11 u |
22 u |
Comparing Sean and
Nick in the end |
1 |
1 |
|
Amount that Nick has at first = 13 u
13 u = 468
1 u = 468 ÷ 13 = 36
Total amount that Nick and Sean have
= 9 u + 13 u
= 22 u
Amount that each of them will have in the end
= 22 u ÷ 2
= 11 u
Amount that Nick must give to Sean
= 11 u - 9 u
= 2 u
= 2 x 36
= $72
Answer(s): $72
