Cost
Cost price of 10 articles is equal to selling
price of 9’articles. Find profit or loss%​

1 thought on “Cost<br />Cost price of 10 articles is equal to selling<br />price of 9’articles. Find profit or loss%​”

1. 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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