The ratio of Peter's money to Daniel's money is 1 : 5. If Daniel has $140, how much must he give to Peter so both will have the equal amount of money?
| |
Peter |
Daniel |
Total |
| Before |
1 u |
5 u |
6 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
3 u |
3 u |
6 u |
Comparing Peter and
Daniel in the end |
1 |
1 |
|
Amount that Daniel has at first = 5 u
5 u = 140
1 u = 140 ÷ 5 = 28
Total amount that Daniel and Peter have
= 1 u + 5 u
= 6 u
Amount that each of them will have in the end
= 6 u ÷ 2
= 3 u
Amount that Daniel must give to Peter
= 3 u - 1 u
= 2 u
= 2 x 28
= $56
Answer(s): $56
