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