2 1/2 miles
Explanation:For 1/5 hour, it takes 1/2 mile
let the number of miles for 1 hour = y
1/5 hour = 1/2 mile
1 hour = y
cross multiply:
y(1/5) = 1(1/2)
[tex]\frac{y}{5}=\frac{1}{2}[/tex]cross multiply:
5(1) = 2(y)
5 = 2y
y = 5/2 = 2 1/2
Hence, Randy walks 2 1/2 miles in 1 hour
