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The table above shows the various charges made by two

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Status: May The Force Be With Me (D-DAY 15 May 2012)
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The table above shows the various charges made by two [#permalink]

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New post 28 Apr 2012, 20:42
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Charges made by two companies for the same A/C
Company XCompany Y
Price$575$530
Surcharge as a Percent of Price4%3%
Installation Charge$82.50$93.00


The table above shows the various charges made by two companies for the same air conditioner. What is the total amount that can be saved on the purchase and installation of the air conditioner by dealing with the company that offers the lower total charge?

A. $41.60
B. $45.00
C. $50.75
D. $55.75
E. $61.25

What is being asked in this question?
[Reveal] Spoiler: OA

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Last edited by Bunuel on 29 Apr 2012, 04:35, edited 2 times in total.
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Re: The table above shows the various charges made by two [#permalink]

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New post 12 Aug 2014, 22:47
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A. $41.60
B. $45.00
C. $50.75
D. $55.75
E. $61.25

Looking at the values / percentage, its clear that Company X costlier than Company Y

Just observed the OA; they have 4 distinct numbers after decimal point

Total calculation of company x gives .00 + .00 + .50 = .50 at the decimal

Total calculation of company y gives .00 + .90 + .00 = .90 at the decimal

There difference provides .60 at the decimal; only 41.60 fits in

Answer = A
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Re: The table above shows the various charges made by two [#permalink]

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New post 04 Jan 2017, 21:44
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boomtangboy wrote:




Charges made by two companies for the same A/C
Company XCompany Y
Price$575$530
Surcharge as a Percent of Price4%3%
Installation Charge$82.50$93.00


The table above shows the various charges made by two companies for the same air conditioner. What is the total amount that can be saved on the purchase and installation of the air conditioner by dealing with the company that offers the lower total charge?

A. $41.60
B. $45.00
C. $50.75
D. $55.75
E. $61.25

What is being asked in this question?


Approximate the difference:

X - Price 45 extra
X - 4% of 575 is 4 times 1% of 575 which is 4 times 5.75, which is 23.
Y - 3% of 530 is 3 times 1% of 530 which is 3 times 5.3 say about 16.
So Surcharge of X is about 7 extra.

Y - Installation costs about 10 extra.

So overall, X costs about 42 extra.

Answer (A)
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Re: The table above shows the various charges made by two [#permalink]

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New post 29 Apr 2012, 05:01
boomtangboy wrote:




Charges made by two companies for the same A/C
Company XCompany Y
Price$575$530
Surcharge as a Percent of Price4%3%
Installation Charge$82.50$93.00


The table above shows the various charges made by two companies for the same air conditioner. What is the total amount that can be saved on the purchase and installation of the air conditioner by dealing with the company that offers the lower total charge?

A. $41.60
B. $45.00
C. $50.75
D. $55.75
E. $61.25

What is being asked in this question?


Total charges of company A: 575+0.04*575+82.5=680.5;
Total charges of company B: 530+0.03*530+93=638.9;

If we deal with company B, which offers the lower price, we can save 680.5-638.9=41.6 dollars.

Answer: A.
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Re: The table above shows the various charges made by two [#permalink]

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New post 02 Jul 2013, 00:16
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Re: The table above shows the various charges made by two [#permalink]

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Re: The table above shows the various charges made by two [#permalink]

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New post 04 Jan 2017, 09:15
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Re: The table above shows the various charges made by two   [#permalink] 04 Jan 2017, 09:15
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