Cost
Cost price of 10 articles is equal to selling
price of 9'articles. Find profit or loss%
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Answer:
Profit = 11 1/9 %
Step-by-step explanation:
CP of 1 article is x.
CP of 10 articles is 10x=SP of 9 articles.
CP of 9 articles =9x
Profit=SP−CP
=10x−9x=x
Profit(%)= Profit/CP × 100 = x/9x × 100
= 1/9 × 100 = 100/9
=11 1/9 %
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