Question

Example 13. If the cost price of 10 articles equals the selling price of 9 articles
find the gain or loss percent.
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Answer 1

Answer:

Ioopppppppp has a great record in Ahmadabad again 6 year after his friends 9

Answer 2

Step-by-step explaination;

let the cost price of one article be x

then the cost price of 10 articles is 10x =selling price of 9 articles

cost price of 9 articles =9x

profit=SP-CP

=10x-9x=x

profit %=profit/cp multiplied by 100

x/9xX100

=100/9

=11 1/9%

THEREFORE THE PROFIT % IS 11 1/9