The ratio of Bryan's money to Charlie's money is 1 : 7. If Charlie has $259, how much must he give to Bryan so both will have the equal amount of money?
| |
Bryan |
Charlie |
Total |
| Before |
1 u |
7 u |
8 u |
| Change |
+ 3 u |
- 3 u |
|
| After |
4 u |
4 u |
8 u |
Comparing Bryan and
Charlie in the end |
1 |
1 |
|
Amount that Charlie has at first = 7 u
7 u = 259
1 u = 259 ÷ 7 = 37
Total amount that Charlie and Bryan have
= 1 u + 7 u
= 8 u
Amount that each of them will have in the end
= 8 u ÷ 2
= 4 u
Amount that Charlie must give to Bryan
= 4 u - 1 u
= 3 u
= 3 x 37
= $111
Answer(s): $111
