The ratio of Vaidev's money to Ben's money is 5 : 11. If Ben has $110, how much must he give to Vaidev so both will have the equal amount of money?
| |
Vaidev |
Ben |
Total |
| Before |
5 u |
11 u |
16 u |
| Change |
+ 3 u |
- 3 u |
|
| After |
8 u |
8 u |
16 u |
Comparing Vaidev and
Ben in the end |
1 |
1 |
|
Amount that Ben has at first = 11 u
11 u = 110
1 u = 110 ÷ 11 = 10
Total amount that Ben and Vaidev have
= 5 u + 11 u
= 16 u
Amount that each of them will have in the end
= 16 u ÷ 2
= 8 u
Amount that Ben must give to Vaidev
= 8 u - 5 u
= 3 u
= 3 x 10
= $30
Answer(s): $30
