The ratio of Ethan's money to Cole's money is 5 : 11. If Cole has $132, how much must he give to Ethan so both will have the equal amount of money?
| |
Ethan |
Cole |
Total |
| Before |
5 u |
11 u |
16 u |
| Change |
+ 3 u |
- 3 u |
|
| After |
8 u |
8 u |
16 u |
Comparing Ethan and
Cole in the end |
1 |
1 |
|
Amount that Cole has at first = 11 u
11 u = 132
1 u = 132 ÷ 11 = 12
Total amount that Cole and Ethan have
= 5 u + 11 u
= 16 u
Amount that each of them will have in the end
= 16 u ÷ 2
= 8 u
Amount that Cole must give to Ethan
= 8 u - 5 u
= 3 u
= 3 x 12
= $36
Answer(s): $36
