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    Waihekegirl's Avatar
    Waihekegirl Posts: 1, Reputation: 1
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    #1

    Jul 3, 2012, 09:32 PM
    Maths Problem
    You can ride a bike 15mph. Your sister can ride 12mph. You give her an hours head start. How many hours will up catch up to her if neither of you stops.

    Can someone show me how to work this out please?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
    Uber Member
    		  
    #2

    Jul 3, 2012, 10:45 PM
    You will need to use distance as the common thing between the two.

    Then, you will need to know your speed/distance/time equation.
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