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A queen-sized mattress is 20 inches longer than it is wide. A king-sized mattress is...

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A queen-sized mattress is 20 inches longer than it is wide. A king-sized mattress is 16 inches wider than the queen-sized mattress but has the same length. The area of the king-sized mattress is 1,280 square inches more than that of the queen- sized mattress. An equation that can be used to solve for the dimensions of the king size mattress is The dimensions of the king size mattress are

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