Respuesta :
Answer:
6 miles
Step-by-step explanation:
Set up a proportion, where x is the number of miles he bikes in 1 hour:
[tex]\frac{18}{3}[/tex] = [tex]\frac{x}{1}[/tex]
Cross multiply and solve for x:
3x = 18
x = 6
So, he bikes 6 miles in 1 hour