SOLUTION: B is between A and C. AB=4x BC=7x AC=55 What is the value of AB?

Algebra ->  Points-lines-and-rays -> SOLUTION: B is between A and C. AB=4x BC=7x AC=55 What is the value of AB?      Log On


   

Question 358569: B is between A and C.
AB=4x
BC=7x
AC=55
What is the value of AB?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
AB=4x
BC=7x
AC=55
4X+7X=55
11X=55
X=55/11
X=5
AB=4*5=20 ANS. FOR THE SEGMENT AB.
PROOF:
4*5+7*5=55
20+35=55
55=55