Question

Janet and Bill leave their home at the same time, Janet has 60 miles to travel and drives at 40 mph. Bill has 80 miles to travel and also drives at 40 mph.

a) How long does Janet's journey take?
b) How much longer does Bill spend driving than Janet?

Answer 1

Below in bold.

Explanation:

Speed = distance / time.

a) Janet's journey:

40 = 60 / t

4ot = 60

t = 60/40 = 1 1/2 hours.

Janet's journey takes 1 1/2 hours.

b) Bills journey:

40 = 80/t

t = 80/40 = 2 hours.

Bill travels for 1/2 hour more than Janet.

Answer 2

Question 1 = 1 hour 30 minutes

Question 2 = he spent 30 more minutes driving

Explanation:

time = distance ÷ speed