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What is the combined area, in square inches, of the front and back of

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What is the combined area, in square inches, of the front and back of  [#permalink]

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New post 16 Sep 2018, 21:14
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A
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Re: What is the combined area, in square inches, of the front and back of  [#permalink]

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New post 16 Sep 2018, 21:22
What is the combined area, in square inches, of the front and back of a rectangular sheet of paper measuring 8.5 inches by 11 inches?

A. 38
B. 44
C. 88
D. 176
E. 187

Im not sure what does front and back area means, do we have to multiply by 2.

front side area of rectangle : 11*8.5: 93.5 in2
back side area of rectangle : 93.5+93.5: 187 in2 option E
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Re: What is the combined area, in square inches, of the front and back of  [#permalink]

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New post 16 Sep 2018, 22:34
Area of a rectangle = l x b = 11 x 8.5 = 93.5

Front and Back side = 93.5+93.5 = 187

I am not sure with the explanation but I think the answer is E.

Please correct me if I am wrong :)

Thank you
Arjun
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Re: What is the combined area, in square inches, of the front and back of  [#permalink]

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New post 02 Jun 2020, 08:22
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Bunuel wrote:
What is the combined area, in square inches, of the front and back of a rectangular sheet of paper measuring 8.5 inches by 11 inches?

A. 38
B. 44
C. 88
D. 176
E. 187


Area = (base)(height)
We want the combined area of BOTH sides (front and back)
So, the combined area = (8.5)(11) + (8.5)(11) = (17)(11) = 187

Answer: E

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Brent
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Re: What is the combined area, in square inches, of the front and back of  [#permalink]

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New post 02 Jun 2020, 08:31
Bunuel wrote:
What is the combined area, in square inches, of the front and back of a rectangular sheet of paper measuring 8.5 inches by 11 inches?

A. 38
B. 44
C. 88
D. 176
E. 187

2(8.5*11) = 187, Answer must be (E)
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Re: What is the combined area, in square inches, of the front and back of  [#permalink]

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New post 05 Jun 2020, 23:48
Bunuel wrote:
What is the combined area, in square inches, of the front and back of a rectangular sheet of paper measuring 8.5 inches by 11 inches?

A. 38
B. 44
C. 88
D. 176
E. 187



For combined area, area of 2 rectangular face is required.

Here
L×B = 11×8.5

So combined area is
= 2(11×8.5)
= 2×8.5×11
= 17 × 11
= 187.

Ans is E.

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Re: What is the combined area, in square inches, of the front and back of   [#permalink] 05 Jun 2020, 23:48

What is the combined area, in square inches, of the front and back of

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