Question

Igor and Sally both ran the same distance.

Igor completed the distance in 2 hours.
His average speed was 6 miles per hour.
Sally completed the distance in 4 hours.
What was Sally's average speed for the journey?
Give your answer in miles per hour (mph).

Answer 1

3 mph

Explanation:

For Igor 6 mi/hr * 2 hr = 12 miles total distance

for Sally 12 miles / 4hrs = 3 mph