SOLUTION: Find an equation of variation in which y varies inversely as x and y equals 50 and x equals 42. Then find the value of y when x equals 30.

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: Find an equation of variation in which y varies inversely as x and y equals 50 and x equals 42. Then find the value of y when x equals 30.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1100785: Find an equation of variation in which y varies inversely as x and y equals 50
and x equals 42.
Then find the value of y when x equals 30.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
y=k/x
50=k/42
k=2100
use in second equation
y=2100/30=70