SOLUTION: A rectangle has an area of 40in^2. The lenght is 3 in longer than the with. What is the length and with of the triangle? A=LW formula

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Question 873801: A rectangle has an area of 40in^2. The lenght is 3 in longer than the with. What is the length and with of the triangle? A=LW formula
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
A = Lw = 40in^2
(w+3)w = 40
w^2 + 3w - 40 = 0
(w + 8)(w-5) = 0, tossing out negative solution for unit measure
w = 5in and L = 8in