The ratio of Billy's money to Sean's money is 5 : 11. If Sean has $297, how much must he give to Billy so both will have the equal amount of money?
| |
Billy |
Sean |
Total |
| Before |
5 u |
11 u |
16 u |
| Change |
+ 3 u |
- 3 u |
|
| After |
8 u |
8 u |
16 u |
Comparing Billy and
Sean in the end |
1 |
1 |
|
Amount that Sean has at first = 11 u
11 u = 297
1 u = 297 ÷ 11 = 27
Total amount that Sean and Billy have
= 5 u + 11 u
= 16 u
Amount that each of them will have in the end
= 16 u ÷ 2
= 8 u
Amount that Sean must give to Billy
= 8 u - 5 u
= 3 u
= 3 x 27
= $81
Answer(s): $81
