there are 3 learners who got 80% on a tests out of 50... if there are 30 learners in the class , then determine the percentage of learners who obtained a distinction (80%)​

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