In 45 years, Gabriela will be 4 times as old as she is right now.

Discussion in 'Calculator Requests' started by math_celebrity, Mar 11, 2017.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    In 45 years, Gabriela will be 4 times as old as she is right now.

    Let a be Gabriela's age. we have:
    a + 45 = 4a

    Subtract a from each side:
    3a = 45

    Divide each side by a
    a = 15
     
    math_celebrity, Mar 11, 2017
    #1

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