The ratio of Harry's money to Liam's money is 3 : 11. If Liam has $99, how much must he give to Harry so both will have the equal amount of money?
| |
Harry |
Liam |
Total |
| Before |
3 u |
11 u |
14 u |
| Change |
+ 4 u |
- 4 u |
|
| After |
7 u |
7 u |
14 u |
Comparing Harry and
Liam in the end |
1 |
1 |
|
Amount that Liam has at first = 11 u
11 u = 99
1 u = 99 ÷ 11 = 9
Total amount that Liam and Harry have
= 3 u + 11 u
= 14 u
Amount that each of them will have in the end
= 14 u ÷ 2
= 7 u
Amount that Liam must give to Harry
= 7 u - 3 u
= 4 u
= 4 x 9
= $36
Answer(s): $36
