175 students separated into n classes is 25

Discussion in 'Calculator Requests' started by math_celebrity, Nov 3, 2016.

  1. math_celebrity

    math_celebrity Administrator Staff Member

    175 students separated into n classes is 25

    Divide 175 by n
    175/n

    The word is means equal to, so set this expression equal to 25
    175/n = 25

    Cross multiply
    25n = 175

    Divide each side by 25
    n = 7
     

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