SOLUTION: The variable Z is inversely proportional to X. When X is 15, Z has the value 0.2. What is the value of Z when X = 23 Round to at least the thousandths place if needed. I don'

Algebra ->  Rational-functions -> SOLUTION: The variable Z is inversely proportional to X. When X is 15, Z has the value 0.2. What is the value of Z when X = 23 Round to at least the thousandths place if needed. I don'      Log On


   

Question 981807: The variable Z is inversely proportional to X. When X is 15, Z has the value 0.2.
What is the value of Z when X = 23
Round to at least the thousandths place if needed.
I don't know how to do this inversely.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
z=k/x
0.2=k/15
k=3
Now use to find z
z=3/23
z=0.1304