SOLUTION: The variable Z is directly proportional to X, and inversely proportional to Y. When X is 6 and Y is 3, Z has the value 6. What is the value of Z when X = 10, and Y = 8

Algebra ->  Rational-functions -> SOLUTION: The variable Z is directly proportional to X, and inversely proportional to Y. When X is 6 and Y is 3, Z has the value 6. What is the value of Z when X = 10, and Y = 8       Log On


   

Question 981808: The variable Z is directly proportional to X, and inversely proportional to Y. When X is 6 and Y is 3, Z has the value 6.
What is the value of Z when X = 10, and Y = 8
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
z=kx/y
6=k*6/3=2k
k=3
Z=3*10/8=3.75