Respuesta :

14 minutes per mile since 42/3 is 14

Answer:

14 minutes

Step-by-step explanation:

  1. Set up a proportion: [tex]\frac{42}{3} = \frac{x}{1}[/tex]  
  2. Cross multiply, then divide: 42 × 1 = 42, 42 ÷ 3 = 14
  3. So, it takes Joe 14 minutes to run 1 mile

I hope this helps!