The ratio of Fred's money to Oscar's money is 1 : 5. If Oscar has $145, how much must he give to Fred so both will have the equal amount of money?
|
Fred |
Oscar |
Total |
Before |
1 u |
5 u |
6 u |
Change |
+ 2 u |
- 2 u |
|
After |
3 u |
3 u |
6 u |
Comparing Fred and Oscar in the end |
1 |
1 |
|
Amount that Oscar has at first = 5 u
5 u = 145
1 u = 145 ÷ 5 = 29
Total amount that Oscar and Fred have
= 1 u + 5 u
= 6 u
Amount that each of them will have in the end
= 6 u ÷ 2
= 3 u
Amount that Oscar must give to Fred
= 3 u - 1 u
= 2 u
= 2 x 29
= $58
Answer(s): $58