Larry wants to buy some carpeting for his living room. The leangth of the room is 3 times the width and the total area of the room is 12 square meters. what is the leangth of the living room ?

Question

03-01-2019
Mathematics

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Larry wants to buy some carpeting for his living room. The leangth of the room is 3 times the width and the total area of the room is 12 square meters. what is the leangth of the living room ?

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Warden15 Warden15 · Answer 1 · 2019-01-03T16:22:24+01:00

Warden15 Warden15

03-01-2019

Equation for length:
l = 3w

l × w = 12

Substitute 3w into L.
(3w) × w = 12
4w = 12
w = 3

Substitute 3 into w to find the length.
l = 3w
l = 3×3
l = 9

The width is 3 and the length is 9.

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