The ratio of Lee's money to Ken's money is 1 : 5. If Ken has $150, how much must he give to Lee so both will have the equal amount of money?
| |
Lee |
Ken |
Total |
| Before |
1 u |
5 u |
6 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
3 u |
3 u |
6 u |
Comparing Lee and
Ken in the end |
1 |
1 |
|
Amount that Ken has at first = 5 u
5 u = 150
1 u = 150 ÷ 5 = 30
Total amount that Ken and Lee have
= 1 u + 5 u
= 6 u
Amount that each of them will have in the end
= 6 u ÷ 2
= 3 u
Amount that Ken must give to Lee
= 3 u - 1 u
= 2 u
= 2 x 30
= $60
Answer(s): $60
