I need Help !!
A tank with a base area of 480 square i
centimeters and height 15 centimeters
is filled with water. Water is flowing from Faucet X into the tank at a rate of 1.5 liters per minute. At the same time, water is drained out from Faucet Y at a rate of 2.1 liters per minute. How long will it take to empty the tank?
(1 L-1,000 cm³)​