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omeli [17]
3 years ago
6

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.

Mathematics
1 answer:
Lunna [17]3 years ago
3 0
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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*Given

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Money of Andy                - 2 times as much as Polly

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B - Phoebe's money

A - Andy's money

L - Polly's money

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