Mathematics, 19.09.2019 16:30 jesus319

Suppose you are an elementary school teacher. you want to order a rectangular bulletin board to mount on a classroom wall that has an area of 90 square feet. suppose fire code requirements allow for no more than 30% of a classroom wall to be covered by a bulletin board. if the length of the board is three times as long as the width, what are the dimensions of the largest bulletin board that meets fire code?

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Suppose you are an elementary school teacher. you want to order a rectangular bulletin board to moun...