algebra

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You have been put in charge of making pizza for the fundraiser. You are told to make the larger pizzas with a radius 3 less than twice the radius of the smaller pizzas. The difference in the area of the pizzas is to 24 pi. Find the radius of the smaller pizza.

  • algebra -

    A = π r^2

    Difference (24π) = (2r-3)^2π - r^2π

    Divide both sides by π .

    24 = (2r-3)^2 - r^2

    I'll let you calculate the rest.

  • algebra -

    r^2=1

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