Question
Bill and Amy want to ride their bikes from their neighbourhood to school which is 14.4 kilmeters away. It takes Amy 40 mins to arrive at school. Bill arrives 20 mins after Amy. How much faster (in meters/second) is Amy's average speed for the entire trip?
Answers
Writeacher
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bobpursley
amy speed=distanc/time
bill speed=distance/time
figure both those, and subtract.
be certain to convert km/min to m/s
bill speed=distance/time
figure both those, and subtract.
be certain to convert km/min to m/s