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Re: Chauncy, an English bulldog, received 1,618 votes in the Mr. Bulldog [#permalink]
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Answer is B
Let T= Total
He got 20T/100
He need 30T/100. i.e. 10T/100 more.

Question is 10T/100 is ? % of remaining Votes
Remaining votes = 80T/100
10T/100= (?/100) of 80T/100.
?=12.5%
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Re: Chauncy, an English bulldog, received 1,618 votes in the Mr. Bulldog [#permalink]
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msk0657 wrote:
Bunuel wrote:
Chauncy, an English bulldog, received 1,618 votes in the Mr. Bulldog USA competition, giving him approximately 20 percent of the vote. Approximately what percent of the remaining votes would he have needed to receive in order to win 30 percent of the total votes?

A. 10%
B. 12.5%
C. 15%
D. 17.5%
E. 20%


Let X be total number of votes.

Given 1618 = 20/100(X) => X = 8090.

Now 30%(8090) = 2427.

Difference now is 2427-1618 = 809
809 is 10% of 8090. Then he needed 10% more votes to win 30% of total votes.

IMO option A is correct answer..

OA please...will correct if I missed anything...


You have taken 10% of 8090, while the questions asks 809 is what % of the remaining votes. Hence B should be the correct answer as

809/6472*100 ~ 12.5%
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Re: Chauncy, an English bulldog, received 1,618 votes in the Mr. Bulldog [#permalink]
"what percent of the remaining votes" - GMAT does trick its test taker...
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Re: Chauncy, an English bulldog, received 1,618 votes in the Mr. Bulldog [#permalink]
Bunuel wrote:
Chauncy, an English bulldog, received 1,618 votes in the Mr. Bulldog USA competition, giving him approximately 20 percent of the vote. Approximately what percent of the remaining votes would he have needed to receive in order to win 30 percent of the total votes?

A. 10%
B. 12.5%
C. 15%
D. 17.5%
E. 20%


To make total 30%, he needs 10% more votes of the total.

Let's suppose total is 100 and he needs 10% of 100= 10

But since the remaining votes are 80, 10 is 100*10/80%= 12.5%

B is the answer
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Chauncy, an English bulldog, received 1,618 votes in the Mr. Bulldog [#permalink]
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Bunuel wrote:
Chauncy, an English bulldog, received 1,618 votes in the Mr. Bulldog USA competition, giving him approximately 20 percent of the vote. Approximately what percent of the remaining votes would he have needed to receive in order to win 30 percent of the total votes


Knowing the number of votes is not necessary.

\(\text{Remaining vote }= 100\% - 20\% = 80\%\)
\(\text{Additional votes needed }= 30\% - 20\% = 10\%\)
\(80\% \times n = 10\%\)
\(n = \frac{10\%}{80\%} \\= \frac{1}{8} = 0.125 = 12.5\%\)

B. 12.5%
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Re: Chauncy, an English bulldog, received 1,618 votes in the Mr. Bulldog [#permalink]
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Bunuel wrote:
Chauncy, an English bulldog, received 1,618 votes in the Mr. Bulldog USA competition, giving him approximately 20 percent of the vote. Approximately what percent of the remaining votes would he have needed to receive in order to win 30 percent of the total votes?

A. 10%
B. 12.5%
C. 15%
D. 17.5%
E. 20%


If Chauncy has already won approximately 20 percent of the votes, then he would need 10 more percent of the votes to win 30 percent of the total votes. However, here we are speaking in terms of the remaining votes, i.e., the remaining 80 percent of the votes.

Since 10/80 = 1/8 = 12.5%, then he needs 12.5% of the remaining 80 percent of the votes in order to get the 10 more percent of the total votes, i.e., a total of 30 percent of all the votes.

Alternate Solution:

Assume 100 people are voting. Chauncy has already won 20%, or 20, of the votes, which means that 80 votes remain. Chauncy needs 10 more votes out of those 80 remaining votes, so he needs 10/80 = 1/8, or about 12.5% of the remaining votes.

Answer: B
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Re: Chauncy, an English bulldog, received 1,618 votes in the Mr. Bulldog [#permalink]
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Re: Chauncy, an English bulldog, received 1,618 votes in the Mr. Bulldog [#permalink]
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