A washer and dryer cost a total of $968 . The cost of the washer is three times the cost of the dryer. Find the cost of each item.

Cost of washer: $
Cost of dryer: $

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