Question

The cost price of 10 articles is equal to the selling price of 9 articles. Find the profit percent.
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Answer 1

Answer:

cp of 10 articles=sp of 9 articles

let cp of 1 article be 100 so cp of 10 articles will be 100÷10 = 10

cp of 10 articles 10

remove sp in the same way

and if sp is greater minus it from cp

Step-by-step explanation:

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