The ratio of Bryan's money to Adam's money is 6 : 2.
The ratio of Adam's money to Charlie's money is 6 : 3.
The total amount that they have is $324.
How much less money does Charlie have than Bryan?
Bryan |
Adam |
Charlie |
6 x 3 |
2 x 3 |
|
|
6 x 1 |
3 x 1 |
18 u |
6 u |
3 u |
Amount that Adam has is the repeated identity.
Make the amount that Adam has the same using the LCM of 2 and 6.
LCM of 2 and 6 = 6
Bryan : Adam : Charlie
18 : 6 : 3
Total amount that Bryan, Adam and Charlie have
= 18 u + 6 u + 3 u
= 27 u
27 u = 324
1 u = 324 ÷ 27 = 12
Amount that Charlie has less than Bryan
= 18 u - 3 u
= 15 u
= 15 x 12
= $180
Answer(s): $180