The ratio of Perry's money to Lee's money is 1 : 5. If Lee has $185, how much must he give to Perry so both will have the equal amount of money?
| |
Perry |
Lee |
Total |
| Before |
1 u |
5 u |
6 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
3 u |
3 u |
6 u |
Comparing Perry and
Lee in the end |
1 |
1 |
|
Amount that Lee has at first = 5 u
5 u = 185
1 u = 185 ÷ 5 = 37
Total amount that Lee and Perry have
= 1 u + 5 u
= 6 u
Amount that each of them will have in the end
= 6 u ÷ 2
= 3 u
Amount that Lee must give to Perry
= 3 u - 1 u
= 2 u
= 2 x 37
= $74
Answer(s): $74
