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A certain company has records stored with a record storage

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A certain company has records stored with a record storage [#permalink]

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New post 23 Dec 2009, 17:39
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Question Stats:

73% (02:03) correct 27% (02:23) wrong based on 434 sessions

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A certain company has records stored with a record storage firm in 15-inch by 12-inch by 10-inch boxes. The boxes occupy 1.08 million cubic inches of space. If the company pays $0.25 per box per month for the record storage, what is the total amount that the company pays each month for record storage?

a. 150
b. 300
c. 600
d. 1,200
e. 2,400
[Reveal] Spoiler: OA

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Re: Math Question Help [#permalink]

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New post 23 Dec 2009, 18:24
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volume of 1 box is 15*12*10 cubic inches

volume avaible=1.08*10^6 cubic inches

no. of box=1.08*10^6/(15*12*10)=600

cost for 1 box=.25
for 600 box=600*.25=150 A
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New post 26 Nov 2012, 18:53
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Answer choices aren't really close to each other in value, so non-dramatic rounding wont hurt.

1800 cu in = 2000 cu in

1,080,000= 1,000,000 cu in

1000 / 2 = 500 * .25 = $125

only thing in ball park is $150.

Answer is A

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Re: A certain company has records stored with a record storage [#permalink]

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New post 05 Apr 2015, 17:41
It isn't too hard to figure out how to do this, but the traditional method takes time:

(1) Do 15 x 12 x 10 to get 1800
(2) Divide 1,080,000 by 1800
(3) Multiply by .25

I don't think I can do the graphics here, but the numerator would be 1.08 x 10^6, which I could change to 108 x 10^4.

The denominator would be 15 x 12 x 10 x 4.

The 4 in the denominator takes care of multiplying by .25 at the end.

Then just reduce the way you usually reduce fractions, and it will be easy

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A certain company has records stored with a record storage [#permalink]

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New post 18 May 2015, 07:56
Volume Per Box: 15x12x10 = 1,800

Total Volume: 1,080,000

Number of Boxes: Total Volume / Volume Per Box = 1,080,000 / 1,800 = 600

Price Per Month: Number of Boxes * Price Per Box = 600 * 0.25 = 150

Answer: A

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Re: A certain company has records stored with a record storage [#permalink]

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New post 17 Oct 2017, 09:33
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Re: A certain company has records stored with a record storage   [#permalink] 17 Oct 2017, 09:33
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