The ratio of Henry's money to Julian's money is 3 : 13. If Julian has $390, how much must he give to Henry so both will have the equal amount of money?
| |
Henry |
Julian |
Total |
| Before |
3 u |
13 u |
16 u |
| Change |
+ 5 u |
- 5 u |
|
| After |
8 u |
8 u |
16 u |
Comparing Henry and
Julian in the end |
1 |
1 |
|
Amount that Julian has at first = 13 u
13 u = 390
1 u = 390 ÷ 13 = 30
Total amount that Julian and Henry have
= 3 u + 13 u
= 16 u
Amount that each of them will have in the end
= 16 u ÷ 2
= 8 u
Amount that Julian must give to Henry
= 8 u - 3 u
= 5 u
= 5 x 30
= $150
Answer(s): $150
