SOLUTION: Suppose that z varies jointly with x and y. Find the constant of proportionality k if z = 1376 when y = 20 and x = 16. k = Using the k from above write the variation equati

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Question 1162792: Suppose that z varies jointly with x and y.
Find the constant of proportionality k if z = 1376 when y = 20 and x = 16.
k =
Using the k from above write the variation equation in terms of x and y.
z =
Using the k from above find z given that y = 30 and x = 37.
z =

Answer by josgarithmetic(39628) About Me  (Show Source):
You can put this solution on YOUR website!
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z varies jointly with x and y.
Find the constant of proportionality k if z = 1376 when y = 20 and x = 16.
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z=kxy
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k=z%2F%28xy%29
k=1376%2F%2816%2A20%29
etcetera,....