A pollution filtering machine is installed in a factory, on a floor with area 2500 sq. feet. The machine is expected to filter at least 3500 liters of air and water. It filters air at the rate of 600 liters per hour and it filters water at the rate of 250 liter per hour. Which of the following inequalities represents the number of hours the machine should filter air (A) and water (W) to meet the expectation?

A pollution filtering machine is installed in a factory, on a floor wi

1.	A pollution filtering machine is installed in a factory, on a floor with area 2500 sq. feet. The machine is expected to filter at least 3500 liters of air and water. It filters air at the rate of 600 liters per hour and it filters water at the rate of 250 liter per hour. Which of the following inequalities represents the number of hours the machine should filter air (A) and water (W) to meet the expectation?
Answer» A pollution filtering machine is installed in a factory, on a floor with area 2500 sq. feet. The machine is expected to filter at least 3500 liters of air and water. It filters air at the rate of 600 liters per hour and it filters water at the rate of 250 liter per hour. Which of the following inequalities represents the number of hours the machine should filter air (A) and water (W) to meet the expectation?