The ratio of Neave's money to Gabriel's money is 1 : 7. If Gabriel has $189, how much must he give to Neave so both will have the equal amount of money?
| |
Neave |
Gabriel |
Total |
| Before |
1 u |
7 u |
8 u |
| Change |
+ 3 u |
- 3 u |
|
| After |
4 u |
4 u |
8 u |
Comparing Neave and
Gabriel in the end |
1 |
1 |
|
Amount that Gabriel has at first = 7 u
7 u = 189
1 u = 189 ÷ 7 = 27
Total amount that Gabriel and Neave have
= 1 u + 7 u
= 8 u
Amount that each of them will have in the end
= 8 u ÷ 2
= 4 u
Amount that Gabriel must give to Neave
= 4 u - 1 u
= 3 u
= 3 x 27
= $81
Answer(s): $81
