The ratio of Henry's money to Zeph's money is 9 : 13. If Zeph has $169, how much must he give to Henry so both will have the equal amount of money?
| |
Henry |
Zeph |
Total |
| Before |
9 u |
13 u |
22 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
11 u |
11 u |
22 u |
Comparing Henry and
Zeph in the end |
1 |
1 |
|
Amount that Zeph has at first = 13 u
13 u = 169
1 u = 169 ÷ 13 = 13
Total amount that Zeph and Henry have
= 9 u + 13 u
= 22 u
Amount that each of them will have in the end
= 22 u ÷ 2
= 11 u
Amount that Zeph must give to Henry
= 11 u - 9 u
= 2 u
= 2 x 13
= $26
Answer(s): $26
