SOLUTION: Anuj takes 15 minutes to go to the school and 20 minutes to come back from the school by bicycle. If school is 4.5 km away from the home, find his average speed.

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Question 911566: Anuj takes 15 minutes to go to the school and 20 minutes to come back from the school by bicycle. If school is 4.5 km away from the home, find his average speed.
Found 2 solutions by ewatrrr, Alan3354:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
%284.5+%2B+4.5%29%2F%2815m+%2B+20m%29+=+9km%2F%2845m%29+ = 1/5km per min 0r%281%2F5%2960 = 12kmph ,his average speed.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
He goes 9 km in 35 minutes
d = r*t
r = d/t = 9/35 km/minute