SOLUTION: The cost (c) of materials for a deck varies jointly with the width (w) and the length (l). If c=$424.80 when w=18 and l=10, find the cost when w=7 and l=22? Be sure to respond in a
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Question 1179601: The cost (c) of materials for a deck varies jointly with the width (w) and the length (l). If c=$424.80 when w=18 and l=10, find the cost when w=7 and l=22? Be sure to respond in a complete sentence that explains your answer in relation to the question. Answer by MathLover1(20849) (Show Source):
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The cost () of materials for a deck varies jointly with the width () and the length ().
if when and , use it to find
so, when, ,and , the cost would be
