algebra
posted by Eric .
the number of gallons of water,y,after x hours maybe modeled by the linear equation y=80050x. Which of the following statements is true, a.it is filling at a rate of 800 gallons per hour/b.it is filling at a rate of 50 gallons per hour/c.it is emptying at a rate of 16 gallons per hour/d.it is emptying at a rate of 50 gallons per hour/f.it is emptying at a rate of 800 gallons per hour.

D.

A water tank empties at a rate of 28 gallons in 4 hours. At this rate, how many gallons are emptied each hour?