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Rectangle A has a length of 12 inches and a width of 5 inches. Rectang

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Math Expert
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Joined: 02 Sep 2009
Posts: 56257
Rectangle A has a length of 12 inches and a width of 5 inches. Rectang  [#permalink]

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New post 03 Jan 2019, 13:09
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

97% (00:49) correct 3% (00:34) wrong based on 34 sessions

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Rectangle A has a length of 12 inches and a width of 5 inches. Rectang  [#permalink]

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New post 04 Jan 2019, 03:34

Solution


Given:
Rectangle A,
    • Length = 12 inches
    • Width = 5 inches

Rectangle B,
    • Length = 9 inches
    • Width = 10 inches

To find:
    • The ratio of area of rectangle B to the area of rectangle A

Approach and Working:
    • Area of rectangle A = 12 * 5 = 60 sq. inches
    • Area of rectangle B = 9 * 10 = 90 sq. inches

Therefore, it should be multiplied by \(\frac{90}{60} = \frac{3}{2} = 1.5\)

Hence, the correct answer is Option E

Answer: E

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Re: Rectangle A has a length of 12 inches and a width of 5 inches. Rectang  [#permalink]

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New post 06 Jan 2019, 06:14
Bunuel wrote:
Rectangle A has a length of 12 inches and a width of 5 inches. Rectangle B has a length of 9 inches and a width of 10 inches. By what number must the area of rectangle A be multiplied in order to get the area of rectangle B?

A. 1.2
B. 1.25
C. 1.3
D. 1.4
E. 1.5



9*10/12*5

solve we get = 1.5

IMO E
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Re: Rectangle A has a length of 12 inches and a width of 5 inches. Rectang   [#permalink] 06 Jan 2019, 06:14
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