Question
Erika and Fred started running together along a cross country track. When Fred completed the track in 37 minutes, Erika had run only 35 of the track. Erika’s average speed was 100 m/min slower than Fred’s.
  1. How long was the cross country track in m?
  2. Find Erika’s average speed in m/min.
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Erika and Fred started running together along a cross country track. When Fred completed the track in 37 minutes, Erika had run only 35 of the track. Erika’s average speed was 100 m/min slower than Fred’s.
  1. How long was the cross country track in m?
  2. Find Erika’s average speed in m/min.