The ratio of Ken's money to Cody's money is 11 : 15. If Cody has $285, how much must he give to Ken so both will have the equal amount of money?
| |
Ken |
Cody |
Total |
| Before |
11 u |
15 u |
26 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
13 u |
13 u |
26 u |
Comparing Ken and
Cody in the end |
1 |
1 |
|
Amount that Cody has at first = 15 u
15 u = 285
1 u = 285 ÷ 15 = 19
Total amount that Cody and Ken have
= 11 u + 15 u
= 26 u
Amount that each of them will have in the end
= 26 u ÷ 2
= 13 u
Amount that Cody must give to Ken
= 13 u - 11 u
= 2 u
= 2 x 19
= $38
Answer(s): $38
