SOLUTION: can you help me with setting up this problem and solve find an equation of variation where y varies jointly as x and z and inversely as the square of w and y=20 when x=0.5, z=4,

Question 78756: can you help me with setting up this problem and solve
find an equation of variation where y varies jointly as x and z and inversely as the square of w and y=20 when x=0.5, z=4, and w=5.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
find an equation of variation where y varies jointly as x and z and inversely as the square of w and y=20 when x=0.5, z=4, and w=5.
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y=kxz/w^2
You need to find "k".
Substitute the given values to get:
20=k*0.5*4/25
500=2k
k=250
EQUATION:
y = 250xz/w^2
==========
Cheers,
Stan H.
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