the cost of painting a room consists of two parts. one partially varies directly with area and the other to the square of the length. the cost of painting a room that measures 20m by 30m is #200, the cost of painting a room that measures 15m by 40m is #256. what is the cost of painting a room that is 60m²?
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Asked by Oluwaperosayemi on 15th April, 2022
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