A farmer estimated that there were 25 gallons of water left in a tank. If this is an underestimated by 16 percent how much water was actually in the tank

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