The ratio of Jenson's money to Luke's money is 7 : 13. If Luke has $533, how much must he give to Jenson so both will have the equal amount of money?
| |
Jenson |
Luke |
Total |
| Before |
7 u |
13 u |
20 u |
| Change |
+ 3 u |
- 3 u |
|
| After |
10 u |
10 u |
20 u |
Comparing Jenson and
Luke in the end |
1 |
1 |
|
Amount that Luke has at first = 13 u
13 u = 533
1 u = 533 ÷ 13 = 41
Total amount that Luke and Jenson have
= 7 u + 13 u
= 20 u
Amount that each of them will have in the end
= 20 u ÷ 2
= 10 u
Amount that Luke must give to Jenson
= 10 u - 7 u
= 3 u
= 3 x 41
= $123
Answer(s): $123
