a water trough is 10 m long and a cross section has the shape of an isosceles trapezoid that is 30 cm wide at the botto, 80 cm wide at the top and has a height of 50 cm. if the trough is being filled with water at the rate of 0.2 m^3/min, how fast is the water level rising when the water is 30 cm deep?

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anonymous · Answer

im trying to review for a test. related rates are giving me trouble. Does anyone know an easy way to work with them in general?