The ratio of Zane's money to Seth's money is 7 : 11. If Seth has $517, how much must he give to Zane so both will have the equal amount of money?
| |
Zane |
Seth |
Total |
| Before |
7 u |
11 u |
18 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
9 u |
9 u |
18 u |
Comparing Zane and
Seth in the end |
1 |
1 |
|
Amount that Seth has at first = 11 u
11 u = 517
1 u = 517 ÷ 11 = 47
Total amount that Seth and Zane have
= 7 u + 11 u
= 18 u
Amount that each of them will have in the end
= 18 u ÷ 2
= 9 u
Amount that Seth must give to Zane
= 9 u - 7 u
= 2 u
= 2 x 47
= $94
Answer(s): $94
