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Fractions

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Rewrite the fraction so that the numerator and denominator have the same units. Then simplify. 7min /400sec
asked Nov 2, 2013 in GEOMETRY by harvy0496 Apprentice

1 Answer

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1 min = 60sec

7 min = 60*7 = 420sec

So the fraction in same units = 420/400sec

                                           =21/20sec

           

answered Nov 2, 2013 by william Mentor

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