Question

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

Answer 1

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}`