The ratio of Cody's money to Warren's money is 1 : 5. If Warren has $15, how much must he give to Cody so both will have the equal amount of money?
| |
Cody |
Warren |
Total |
| Before |
1 u |
5 u |
6 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
3 u |
3 u |
6 u |
Comparing Cody and
Warren in the end |
1 |
1 |
|
Amount that Warren has at first = 5 u
5 u = 15
1 u = 15 ÷ 5 = 3
Total amount that Warren 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 Warren must give to Cody
= 3 u - 1 u
= 2 u
= 2 x 3
= $6
Answer(s): $6
