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Algebra Level 1

If the cost price of 20 20 articles is equal to the selling price of 25 25 articles, find the % loss.


The answer is 20.

Shreya R by Shreya R , 21, India

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3 solutions

Let cp of 1 article = x

CP of 20 articles. = 20x

Also sp of 25 articles = 20x

So of 20 article 20x/25*20 = 16x

Loss = 4x

Loss % 4x/20x*100 = 20%

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Vishnudatt Gupta
May 13, 2014

Let cp of 1 article = x CP of 20 articles. = 20x Also sp of 25 articles = 20x So of 20 article 20x/25 20 = 16x Loss = 4x Loss % 4x/20x 100 = 20% Subscribe to this thread

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ok ill subscribe

Austin Li - 11 months, 3 weeks ago

Let's say the cost of 20 articles = the selling price of 25 articles = 100 dollars.

Then, each article costs 100/20 = 5 dollars and sells for 100/25 = 4 dollars.

We see that 4 is (5 - 4) / 5 * 100 = 20% less than 5.

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