The ratio of Seth's money to Archie's money is 5 : 11. If Archie has $55, how much must he give to Seth so both will have the equal amount of money?
| |
Seth |
Archie |
Total |
| Before |
5 u |
11 u |
16 u |
| Change |
+ 3 u |
- 3 u |
|
| After |
8 u |
8 u |
16 u |
Comparing Seth and
Archie in the end |
1 |
1 |
|
Amount that Archie has at first = 11 u
11 u = 55
1 u = 55 ÷ 11 = 5
Total amount that Archie and Seth have
= 5 u + 11 u
= 16 u
Amount that each of them will have in the end
= 16 u ÷ 2
= 8 u
Amount that Archie must give to Seth
= 8 u - 5 u
= 3 u
= 3 x 5
= $15
Answer(s): $15
