The ratio of Julian's money to Will's money is 3 : 11. If Will has $77, how much must he give to Julian so both will have the equal amount of money?
| |
Julian |
Will |
Total |
| Before |
3 u |
11 u |
14 u |
| Change |
+ 4 u |
- 4 u |
|
| After |
7 u |
7 u |
14 u |
Comparing Julian and
Will in the end |
1 |
1 |
|
Amount that Will has at first = 11 u
11 u = 77
1 u = 77 ÷ 11 = 7
Total amount that Will and Julian have
= 3 u + 11 u
= 14 u
Amount that each of them will have in the end
= 14 u ÷ 2
= 7 u
Amount that Will must give to Julian
= 7 u - 3 u
= 4 u
= 4 x 7
= $28
Answer(s): $28
