SOLUTION: If x varies directly as y, and x=12 when y=3, find x when y=8

Algebra ->  Systems-of-equations -> SOLUTION: If x varies directly as y, and x=12 when y=3, find x when y=8      Log On


   



Question 1038057: If x varies directly as y, and x=12 when y=3, find x when y=8
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If x varies directly as y, and x=12 when y=3, find x when y=8
--------------
x = k*y where k is a constant.
12 = k*3
k = 4
--------------
y = 8
x = 4*8
x = 32