The ratio of Fabian's money to Flynn's money is 1 : 7. If Flynn has $315, how much must he give to Fabian so both will have the equal amount of money?
| |
Fabian |
Flynn |
Total |
| Before |
1 u |
7 u |
8 u |
| Change |
+ 3 u |
- 3 u |
|
| After |
4 u |
4 u |
8 u |
Comparing Fabian and
Flynn in the end |
1 |
1 |
|
Amount that Flynn has at first = 7 u
7 u = 315
1 u = 315 ÷ 7 = 45
Total amount that Flynn and Fabian have
= 1 u + 7 u
= 8 u
Amount that each of them will have in the end
= 8 u ÷ 2
= 4 u
Amount that Flynn must give to Fabian
= 4 u - 1 u
= 3 u
= 3 x 45
= $135
Answer(s): $135
