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March 26, 2017

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Minnie is painting her walkin
closet. Each gallon of paint
covers 275 square feet. The
closet is in the shape of a right
rectangular prism. The floor is 9 feet wide
and 7 feet long. The ceiling is 8 feet high. How
many gallons of paint should Minnie buy to cover the four
walls and the ceiling with two coats of paint?

  • Math - ,

    2 walls are 9x8
    2 walls are 7x8
    ceiling is 9x7

    2(2*9*8 + 2*7*8 + 9*7)/275 = 2.32

    so, 3 cans of paint

  • Math - ,

    No

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