The ratio of Dylan's money to Luis's money is 11 : 15. If Luis has $225, how much must he give to Dylan so both will have the equal amount of money?
| |
Dylan |
Luis |
Total |
| Before |
11 u |
15 u |
26 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
13 u |
13 u |
26 u |
Comparing Dylan and
Luis in the end |
1 |
1 |
|
Amount that Luis has at first = 15 u
15 u = 225
1 u = 225 ÷ 15 = 15
Total amount that Luis and Dylan have
= 11 u + 15 u
= 26 u
Amount that each of them will have in the end
= 26 u ÷ 2
= 13 u
Amount that Luis must give to Dylan
= 13 u - 11 u
= 2 u
= 2 x 15
= $30
Answer(s): $30
