# IF GARY DRIVES 20 MILES AT 50 MPH AND SUSAN DRIVES 20 MILES AT 40 MPH. HOW MUCH LONGER DOES IT TAKE SUSAN.

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asked Oct 12, 2011

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# IF GARY DRIVES 20 MILES AT 50 MPH AND SUSAN DRIVES 20 MILES AT 40 MPH. HOW MUCH LONGER DOES IT TAKE SUSAN.

NEED THE ANSWER IN MINUTES

20/ 50 = 0.4 hours * 60 = 24 minutes

20/40 = 0.5 hours * 60 = 30 minutes

it took Susan 6 minutes longer to arrive

answered Feb 24, 2012 by Level 6 User (19,260 points)

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