The ratio of Reggie's money to Luke's money is 3 : 7. If Luke has $154, how much must he give to Reggie so both will have the equal amount of money?
|
Reggie |
Luke |
Total |
Before |
3 u |
7 u |
10 u |
Change |
+ 2 u |
- 2 u |
|
After |
5 u |
5 u |
10 u |
Comparing Reggie and Luke in the end |
1 |
1 |
|
Amount that Luke has at first = 7 u
7 u = 154
1 u = 154 ÷ 7 = 22
Total amount that Luke and Reggie have
= 3 u + 7 u
= 10 u
Amount that each of them will have in the end
= 10 u ÷ 2
= 5 u
Amount that Luke must give to Reggie
= 5 u - 3 u
= 2 u
= 2 x 22
= $44
Answer(s): $44