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42 votes
42 votes
17. A man's shoe size is related to his foot length and can be modeled bythe equation s = 1.77 - 7.2, where s is shoe size and fis foot length, ininches. What is the shoe size of a man whose foot measures 9 inches?S? f=q5=1.7f=7.2A6В.8CD10N

17. A man's shoe size is related to his foot length and can be modeled bythe equation-example-1
User Mariangela
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1 Answer

20 votes
20 votes

s = shoe size

f = foot length

Therefore,


\begin{gathered} s=1.7f-7.2 \\ f=9\text{ inches} \\ s=1.7(9)-7.2 \\ s=15.3-7.2 \\ s=8.1\text{ inches} \end{gathered}

User Yeonho
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