The ratio of Mark's money to Zane's money is 5 : 9. If Zane has $198, how much must he give to Mark so both will have the equal amount of money?
| |
Mark |
Zane |
Total |
| Before |
5 u |
9 u |
14 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
7 u |
7 u |
14 u |
Comparing Mark and
Zane in the end |
1 |
1 |
|
Amount that Zane has at first = 9 u
9 u = 198
1 u = 198 ÷ 9 = 22
Total amount that Zane and Mark have
= 5 u + 9 u
= 14 u
Amount that each of them will have in the end
= 14 u ÷ 2
= 7 u
Amount that Zane must give to Mark
= 7 u - 5 u
= 2 u
= 2 x 22
= $44
Answer(s): $44
