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Bill and Amy want to ride their bikes from their neighborhood to school which is 14.4 kilometers away. It takes Amy 40 mins to arrive to school. Bill arrives 20 mins after Amy. How much faster (in meters/second) is Amy's average speed for the entire trip?
show the steps or write the steps.


Sagot :

1200 secs is Amy's averages speed for the entire trip. 60 times 10=600 next you times 600 times 2 because 10 times 2 =20, which is 1200