Which of the following situations is an example of direct proportions ? The perimeter P of a square and its side length a The length l and width b of a rectangle, given the area remain constant The number of units of a product that can be purchased given a fixed amount of money and unit price of the product The number of rows m and the number of columns n in which a fixed number of marbles can be arranged.
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sorry mate I did not know about this question
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