$\begin{gathered} 2\text{ in ---- 10 miles} \\ 1\text{ in ---- x} \\ x=\frac{(1\text{ in)(10miles)}}{2in}=5\text{ miles} \\ \text{hence} \\ \text{Unit rate is 5 miles per inches} \\ y=\text{ number of miles} \\ x=\text{ number of inches} \\ y=5x \\ \text{The equation is }y=5x \end{gathered}$

Rockfight answered Jul 31, 2023