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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
Joined: 02 Sep 2009
Posts: 52161
Rectangle A has a length of 12 inches and a width of 5 inches. Rectang  [#permalink]

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03 Jan 2019, 12:09
00:00

Difficulty:

5% (low)

Question Stats:

96% (00:39) correct 4% (00:34) wrong based on 27 sessions

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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

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Joined: 04 Jan 2015
Posts: 2438
Rectangle A has a length of 12 inches and a width of 5 inches. Rectang  [#permalink]

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04 Jan 2019, 02:34

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

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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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06 Jan 2019, 05:14
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 &nbs [#permalink] 06 Jan 2019, 05:14
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