250 students have iPhones. This is one third of the population. How many students are there in total

Discussion in 'Calculator Requests' started by math_celebrity, May 9, 2020.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    250 students have iPhones. This is one third of the population. How many students are there in total?

    Let the population be p. We're given:
    1/3p = 250

    Cross multiply:
    p = 250 * 3
    p = 750
     

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