SOLUTION: A rectangular classroom has area 731m2 and perimeter 120m find its dimensions

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Question 1053014: A rectangular classroom has area 731m2 and perimeter 120m find its dimensions
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
2L + 2w = 120m
L + w = 60m
L = 60-w
w(60-w) = 731m^2
60w - w^2 = 731
w^2 - 60w + 731 = 0
(w-43)(w - 17) = 0
dimensions: 43m by 17m