The ratio of Cody's money to Dylan's money is 5 : 13. If Dylan has $455, how much must he give to Cody so both will have the equal amount of money?
| |
Cody |
Dylan |
Total |
| Before |
5 u |
13 u |
18 u |
| Change |
+ 4 u |
- 4 u |
|
| After |
9 u |
9 u |
18 u |
Comparing Cody and
Dylan in the end |
1 |
1 |
|
Amount that Dylan has at first = 13 u
13 u = 455
1 u = 455 ÷ 13 = 35
Total amount that Dylan and Cody have
= 5 u + 13 u
= 18 u
Amount that each of them will have in the end
= 18 u ÷ 2
= 9 u
Amount that Dylan must give to Cody
= 9 u - 5 u
= 4 u
= 4 x 35
= $140
Answer(s): $140
