The ratio of Seth's money to Jenson's money is 9 : 13. If Jenson has $273, how much must he give to Seth so both will have the equal amount of money?
| |
Seth |
Jenson |
Total |
| Before |
9 u |
13 u |
22 u |
| Change |
+ 2 u |
- 2 u |
|
| After |
11 u |
11 u |
22 u |
Comparing Seth and
Jenson in the end |
1 |
1 |
|
Amount that Jenson has at first = 13 u
13 u = 273
1 u = 273 ÷ 13 = 21
Total amount that Jenson and Seth have
= 9 u + 13 u
= 22 u
Amount that each of them will have in the end
= 22 u ÷ 2
= 11 u
Amount that Jenson must give to Seth
= 11 u - 9 u
= 2 u
= 2 x 21
= $42
Answer(s): $42
