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A candy manufacturer decreases the weight of a candy bar by

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A candy manufacturer decreases the weight of a candy bar by [#permalink] New post 18 Aug 2008, 19:43
A candy manufacturer decreases the weight of a candy bar by 20% but keeps the price same. What was the resultant increase in price of the candy bar?

A. 5%
B. 10%
C. 15%
D. 20%
E. 25%

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Re: Percentage [#permalink] New post 18 Aug 2008, 20:17
tekno9000 wrote:
A candy manufacturer decreases the weight of a candy bar by 20% but keeps the price same. What was the resultant increase in price of the candy bar?

A. 5%
B. 10%
C. 15%
D. 20%
E. 25%


Assume Inital price 100 Cents and weight 100gms

100 gm --- cost 100 cents
20% decrease
80 gm -- supposted to be 80 cents.
but he kept price same.
80 gm - cost 100 cents.

resultant increase = 100-80/80= 25%

E.

What is OA.

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Re: Percentage [#permalink] New post 19 Aug 2008, 02:05
tekno9000 wrote:
A candy manufacturer decreases the weight of a candy bar by 20% but keeps the price same. What was the resultant increase in price of the candy bar?

A. 5%
B. 10%
C. 15%
D. 20%
E. 25%


((x - 4/5x) / 4/5x) * 100 = 25%
Re: Percentage   [#permalink] 19 Aug 2008, 02:05
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A candy manufacturer decreases the weight of a candy bar by

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