math

you want to paint the walls of your bedroom. Two walls measure 19 ft by 9 ft, and the other two walls measure 14 ft by 9 ft. The paint you wish to purchase costs $17 per gallon, and each gallon will cover 400 ft2 of wall. Find the total amount you will spend on paint.

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  1. total area = (19)(9) + 14(9) ft^2
    = 297 ft^2

    number of cans needed = 297/400 = .7425
    Assuming you are buying the paint only by the gallon, you will have to buy 1 gallon, so the cost will be $17.00

    btw, time to update that textbook, paint at $17 a gallon ????

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