The ratio of Bobby's money to Vaidev's money is 3 : 13. If Vaidev has $585, how much must he give to Bobby so both will have the equal amount of money?
| |
Bobby |
Vaidev |
Total |
| Before |
3 u |
13 u |
16 u |
| Change |
+ 5 u |
- 5 u |
|
| After |
8 u |
8 u |
16 u |
Comparing Bobby and
Vaidev in the end |
1 |
1 |
|
Amount that Vaidev has at first = 13 u
13 u = 585
1 u = 585 ÷ 13 = 45
Total amount that Vaidev and Bobby have
= 3 u + 13 u
= 16 u
Amount that each of them will have in the end
= 16 u ÷ 2
= 8 u
Amount that Vaidev must give to Bobby
= 8 u - 3 u
= 5 u
= 5 x 45
= $225
Answer(s): $225
