The length x of a rectangle is decreasing at the rate of 2 cm/minute and the width y is decreasing at the rate of 3 cm/minute. When x =10cm and y = 10 cm, find the rates of change of the area of the rectangle.

-50 cm2/min 50 cm2/min -60 cm2/min 60 cm2/min

-50 cm2/min

dA/dt = -3x-2y