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Mathematics, 30.10.2020 16:50 DeonDub3106

The length of a rectangle is increasing at a rate of 7 cm/s 7cm/s and its width is increasing at a rate of 5 cm/s 5cm/s. When the length is 40 cm 40cm and the width is 10 cm , 10cm, how fast is the area of the rectangle increasing

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