Susan's car has a 40 -liter gas tank . if it takes four tanks of gas to go to florida and back , will she have enough gas if she can only afford to buy 2 hectoliters

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters