Math

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Banana bought 3 companies for
A  :$20000000
B : $250000000
G : $350000000

He made a profit of $(9.6x10^6) when he sold the companies. He also made a profit of 25% on A and loss of 10% on B. Find the percentage profit he made on G.

How do I do this? What are the fixed steps? Thanks so much! :)))))

  • Math -

    Let a,b,g be the cost of the companies
    To make things simpler, let's deal in millions (10^6)

    1.25a = 20
    .9b = 250

    a = 16
    b = 277.77777

    profit on a = 4
    profit on b = -27.77777

    profit on g = 9.6 -(4-27.777) = 33.3777

    g = 350-33.3777 = 316.62222

    %profit on g is profit/cost = .105 = 10.5%

  • Math -

    If Catherine had $680 at the beginning od February,How much did she have at the end of January

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