Mathematics, 03.10.2021 21:50 calebnlocke

Suppose z varies jointly with x and y. If z = 42 when x = 3 and y = 7, then what is z when x = 7 and y = 8? Do not include "z =" in your answer.

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Suppose z varies jointly with x and y. If z = 42 when x = 3 and y = 7, then what is z when x = 7 and...