The ratio of David's money to Warren's money is 1 : 5. If Warren has $145, how much must he give to David so both will have the equal amount of money?
| |
David |
Warren |
Total |
| Before |
1 u |
5 u |
6 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
3 u |
3 u |
6 u |
Comparing David and
Warren in the end |
1 |
1 |
|
Amount that Warren has at first = 5 u
5 u = 145
1 u = 145 ÷ 5 = 29
Total amount that Warren 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 Warren must give to David
= 3 u - 1 u
= 2 u
= 2 x 29
= $58
Answer(s): $58
