Carrie is wrapping three birthday presents. One present needs two square feet of wrapping paper to cover. The second present needs three-quarters of that amount. The third present needs the same amount as both other presents put together. How many square feet of wrapping paper does Carrie need for all three presents?
How many square feet of wrapping paper does the second present need? ** The second present needs 3 / 4 * 2 = 1 1/2 square feet of wrapping paper.
How many square feet of wrapping paper does the third present need? ** The third present needs 2 + 1 1/2 = 3 1/2 square feet of wrapping paper.
How many square feet of wrapping paper does Carrie need for all three presents? ** Therefore, Carrie needs 2 + 1 1/2 + 3 1/2 = 7 square feet of wrapping paper for all three presents.
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