Eliana has a 20% discount coupon for an electronics store. she sees a new laptop that she wants to buy. after the 20% discount was applied, eliana paid $340 for the laptop. what was the original price of the laptop?

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