Respuesta :

12/2.5=4.8 hours
miles = miles/ hour 

Answer:

Boy take 4.8 hour to reach the house.

Step-by-step explanation:

Distance that boy walked to his friends house = 12 miles

Speed of boy = 2.5 miles per hour

We have to find: number of hours taken by boy.

We using speed distance time formula,

[tex]Speed=\frac{Distance}{Time}[/tex]

[tex]Time=\frac{12}{2.5}[/tex]

Time = 4.8 hours

Therefore, boy take 4.8 hour to reach the house.