SOLUTION: On the number line AD is 64 units long. The length of CD is 75% of the length of AB, while BC is 225% that of AB. What is the length of segment CD?

Algebra ->  Number-Line -> SOLUTION: On the number line AD is 64 units long. The length of CD is 75% of the length of AB, while BC is 225% that of AB. What is the length of segment CD?      Log On


   



Question 447807: On the number line AD is 64 units long. The length of CD is 75% of the length of AB, while BC is 225% that of AB. What is the length of segment CD?
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
This is a duplicate question.

AD = 64
AB = x
BC = y
CD = z
z = 3x/4
y = 9x/4
x + 3x/4 + 9x/4 = 64
4x = 64
x = AB = 16
CD = 3x/4 = 12