What is 4 3/4-1/3 or 19/4 -1/3

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Find the solution on the interval [0, 2pi)

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