Help me on maths please.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73

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