The ratio of Perry's money to Daniel's money is 11 : 15. If Daniel has $690, how much must he give to Perry so both will have the equal amount of money?
| |
Perry |
Daniel |
Total |
| Before |
11 u |
15 u |
26 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
13 u |
13 u |
26 u |
Comparing Perry and
Daniel in the end |
1 |
1 |
|
Amount that Daniel has at first = 15 u
15 u = 690
1 u = 690 ÷ 15 = 46
Total amount that Daniel and Perry have
= 11 u + 15 u
= 26 u
Amount that each of them will have in the end
= 26 u ÷ 2
= 13 u
Amount that Daniel must give to Perry
= 13 u - 11 u
= 2 u
= 2 x 46
= $92
Answer(s): $92
