Mathematics
KingDeante
2015-11-17 02:41:12
A rectangular kitchen is 4 meters longer than it is wide. If the area of the kitchen is 192 square feet meters, how many meters long is it.
ANSWERS
loveheartgame
2015-11-17 05:37:01

lets x = width length = x + 4 (4 meters longer than wide) A = L * W 192 = x ( x +4) 192 = x^2 + 4x x^2 + 4x - 192 = 0 (x +16)(x-12) = 0  x - 12 = 0, x = 12  x + 16 = 0, x = -16 so width x = 12 length = 12 + 4 = 16 (4 meters longer than wide) answer. J 16

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