A grocer is selling oranges at 3 for $2. How much would it cost to buy a dozen oranges?

Discussion in 'Calculator Requests' started by math_celebrity, Sep 29, 2019.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    A grocer is selling oranges at 3 for $2. How much would it cost to buy a dozen oranges?

    Set up a proportion of oranges per cost where c is the cost of a dozen oranges:
    3/2 = 12/c <-- A dozen equals 12

    Typing this proportion into our search engine, we get:
    c = 8
     

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