SOLUTION: Separate 945 into 3 parts so that the second part is three times the first part and the third part is double the second part. Which of the following equations could be used to solv

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Separate 945 into 3 parts so that the second part is three times the first part and the third part is double the second part. Which of the following equations could be used to solv      Log On


   

Question 1078687: Separate 945 into 3 parts so that the second part is three times the first part and the third part is double the second part. Which of the following equations could be used to solve the problem?

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A%2BB%2BC=945
B=3A
C=2B=2%283A%29=6A
Substituting,
A%2B3A%2B6A=945
10A=945
Now solve for A then use the equations to solve for B and C.