Elena
Jorge
19
Elena and Jorge have similar problems and find the same answer.
Each determines that the solution to the problem is 24.
Elena :
(14 + 42) + 7 + 42
Jorge :
14 + (42 = 7) + 42
Prove your answer to question 10

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