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06 Nov 2017, 22:53
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C
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Difficulty:
25%
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Question Stats:
77% (02:45) correct
23%
(03:07)
wrong
based on 53
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The above figure represents a square plot measuring x feet on a side. The plot consists of a rectangular garden, 48 square feet in area, surrounded by a walk that is 3 feet wide on two opposite sides and 2 feet wide on the other two sides. What is the value of x?
(A) 8
(B) 10
(C) 12
(D) 16
(E) 18
Attachment:
2017-11-07_0941.png [ 925 Bytes | Viewed 3327 times ]
07 Nov 2017, 02:43
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first side of inner rectangle is x-4
second side of inner rectangle is x-6
(x-4)(x-6)=48
solving we get that x = 12
Answer C
second side of inner rectangle is x-6
(x-4)(x-6)=48
solving we get that x = 12
Answer C
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08 Nov 2017, 13:59
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Length of rectangle = x-4
Width = x-6
Area = (x-4)(x-6) = 48
x = 12
Option C is the answer.
Width = x-6
Area = (x-4)(x-6) = 48
x = 12
Option C is the answer.
