The ratio of Julian's money to Paul's money is 1 : 5. If Paul has $170, how much must he give to Julian so both will have the equal amount of money?
| |
Julian |
Paul |
Total |
| Before |
1 u |
5 u |
6 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
3 u |
3 u |
6 u |
Comparing Julian and
Paul in the end |
1 |
1 |
|
Amount that Paul has at first = 5 u
5 u = 170
1 u = 170 ÷ 5 = 34
Total amount that Paul and Julian have
= 1 u + 5 u
= 6 u
Amount that each of them will have in the end
= 6 u ÷ 2
= 3 u
Amount that Paul must give to Julian
= 3 u - 1 u
= 2 u
= 2 x 34
= $68
Answer(s): $68
