The ratio of David's money to Owen's money is 1 : 5. If Owen has $225, how much must he give to David so both will have the equal amount of money?
| |
David |
Owen |
Total |
| Before |
1 u |
5 u |
6 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
3 u |
3 u |
6 u |
Comparing David and
Owen in the end |
1 |
1 |
|
Amount that Owen has at first = 5 u
5 u = 225
1 u = 225 ÷ 5 = 45
Total amount that Owen and David have
= 1 u + 5 u
= 6 u
Amount that each of them will have in the end
= 6 u ÷ 2
= 3 u
Amount that Owen must give to David
= 3 u - 1 u
= 2 u
= 2 x 45
= $90
Answer(s): $90
