The ratio of Fred's money to Wesley's money is 3 : 7. If Wesley has $287, how much must he give to Fred so both will have the equal amount of money?
| |
Fred |
Wesley |
Total |
| Before |
3 u |
7 u |
10 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
5 u |
5 u |
10 u |
Comparing Fred and
Wesley in the end |
1 |
1 |
|
Amount that Wesley has at first = 7 u
7 u = 287
1 u = 287 ÷ 7 = 41
Total amount that Wesley and Fred have
= 3 u + 7 u
= 10 u
Amount that each of them will have in the end
= 10 u ÷ 2
= 5 u
Amount that Wesley must give to Fred
= 5 u - 3 u
= 2 u
= 2 x 41
= $82
Answer(s): $82
