The ratio of Riordan's money to Jeremy's money is 11 : 15. If Jeremy has $360, how much must he give to Riordan so both will have the equal amount of money?
|
Riordan |
Jeremy |
Total |
Before |
11 u |
15 u |
26 u |
Change |
+ 2 u |
- 2 u |
|
After |
13 u |
13 u |
26 u |
Comparing Riordan and Jeremy in the end |
1 |
1 |
|
Amount that Jeremy has at first = 15 u
15 u = 360
1 u = 360 ÷ 15 = 24
Total amount that Jeremy and Riordan have
= 11 u + 15 u
= 26 u
Amount that each of them will have in the end
= 26 u ÷ 2
= 13 u
Amount that Jeremy must give to Riordan
= 13 u - 11 u
= 2 u
= 2 x 24
= $48
Answer(s): $48