The equation that models the relationship is:
y = k(w*x/z)
where k is the constant of proportionality. We can find k by substituting the given values into the equation and solving for k:
400 = k(10*25/5)
400 = k(50)
k = 8
Therefore, the equation that models the relationship is:
y = 8(w*x/z)
Suppose that y varies jointly with w and x and inversely with z and y=400 when w=10, x=25, and z=5. Write the equation that models the relationship.
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