The ratio of Cody's money to Oliver's money is 1 : 5. If Oliver has $65, how much must he give to Cody so both will have the equal amount of money?
|
Cody |
Oliver |
Total |
Before |
1 u |
5 u |
6 u |
Change |
+ 2 u |
- 2 u |
|
After |
3 u |
3 u |
6 u |
Comparing Cody and Oliver in the end |
1 |
1 |
|
Amount that Oliver has at first = 5 u
5 u = 65
1 u = 65 ÷ 5 = 13
Total amount that Oliver and Cody have
= 1 u + 5 u
= 6 u
Amount that each of them will have in the end
= 6 u ÷ 2
= 3 u
Amount that Oliver must give to Cody
= 3 u - 1 u
= 2 u
= 2 x 13
= $26
Answer(s): $26