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Mathematics, 18.04.2020 23:09 granta1

A postcard has an area of 10 square inches. Two enlargements of the postcard have areas of 40 square inches and 160 square inches. In each postcard, the length is 2 1/2 times the width.

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A postcard has an area of 10 square inches. Two enlargements of the postcard have areas of 40 square...

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