SOLUTION: If y varies directly with x, and y=400 when x=1000, find the constant of variation k.

Algebra ->  Graphs -> SOLUTION: If y varies directly with x, and y=400 when x=1000, find the constant of variation k.      Log On


   

Question 120882: If y varies directly with x, and y=400 when x=1000, find the constant of variation k.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If y varies directly with x, and y=400 when x=1000, find the constant of variation k.
----------
y = kx
400 = k*1000
k = 2/5 or 0.4
====================
Cheers,
Stan H.