Question

It takes Peter 4 hours to walk 12 miles.If he continues to walk at the same rate, how long will it take him to walk:

a) 7miles. b)11miles?​

Answer 1

Below in bold.

Explanation:

His rate of walking = 12/4 = 3 miles per hour.

So the times for 7 and 11 miles are

(a) 7/3 = 2 1/3 hours.

(b) 11/3 = 3 2/3 hours.

Answer 2

a]2.3 hrs

b]3.6hrs

Explanation:

4hrs = 12 miles

x = 7miles

4 x 7=28/12=2.3

4 x 11=44/12=3.6hrs