The ratio of Zeph's money to Gabriel's money is 1 : 5. If Gabriel has $180, how much must he give to Zeph so both will have the equal amount of money?
| |
Zeph |
Gabriel |
Total |
| Before |
1 u |
5 u |
6 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
3 u |
3 u |
6 u |
Comparing Zeph and
Gabriel in the end |
1 |
1 |
|
Amount that Gabriel has at first = 5 u
5 u = 180
1 u = 180 ÷ 5 = 36
Total amount that Gabriel and Zeph have
= 1 u + 5 u
= 6 u
Amount that each of them will have in the end
= 6 u ÷ 2
= 3 u
Amount that Gabriel must give to Zeph
= 3 u - 1 u
= 2 u
= 2 x 36
= $72
Answer(s): $72
