Let W = width, then length = W + 5
Area = length * width = (W + 5)W = 150
W2 + 5W - 150 = 0
(W + 15)(W - 10) = 0
The negative root is extraneous and W = 10 so the L = 15.
BTW: area is measured in square feet!
Yen N.
asked • 09/06/18(b) The teachers lounge in MacQuarrie hall is 5ft longer than it is wide. If the total area is 150ft what are the dimensions of the room?
(b) The teachers lounge in MacQuarrie hall is 5ft longer than it is wide. If the total area is 150ft what are the dimensions of the room?
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