Aboy walked to his friends house 12 miles away. he averaged 2.5 miles per hour, how many hours did it take to reach the house ?

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,

Time = 4.8 hours

Therefore, boy take 4.8 hour to reach the house.

distance covered by pamela in 9 l of fuel = 99km

let us apply unitary method here.

distance covered by pamela in 1 l of fuel =99/9 =11 km

now let us find distance covered by pamela if she has 12 l of fuel.

distance covered in 12 l = distance covered in 1 l of fuel * 12

we know that distance covered by here in 1 l is 11 km.

so distance covered in 12 l of fuel = 11*12 = 132 km.