How many minutes does he save

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Reference no: EM13290010

Richard is driving home to visit his parents. 135{\rm mi} of the trip are on the interstate highway where the speed limit is 65{\rm mph} . Normally Richard drives at the speed limit, but today he is running late and decides to take his chances by driving at 73{\rm mph}. How many minutes does he save?

Reference no: EM13290010

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