nickwwe13
16.01.2020 •
Mathematics
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 250 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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Ответ:
See https://web2.0calc.com/questions/please-help_38472.
Ответ:
A,19/18
Step-by-step explanation:
I don't know exactly how to explain it...