Mathematics, 09.04.2020 23:59 lavontaebreazeovw645

An 8 by 10 inch piece of cardboard cost $ 2.00. if the cost of the cardboard is proporcional to its area what is the cost of piece of cardboard that is 16 inches by 20 inches?

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An 8 by 10 inch piece of cardboard cost $ 2.00. if the cost of the cardboard is proporcional to its...