Peter has $500 in his savings account. He purchased an iPhone that charged him $75 for his activatio

Discussion in 'Calculator Requests' started by math_celebrity, Sep 20, 2019.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    Peter has $500 in his savings account. He purchased an iPhone that charged him $75 for his activation fee and $40 per month to use the service on the phone. Write an equation that models the number of months he can afford this phone.

    Let m be the number of months. Our equation is:
    40m + 75 = 500 <-- This is the equation

    Type this equation into the search engine, and we get:
    m = 10.625

    Since it's complete months, it would be 10 months.
     

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