Question

7. The cost price of an article is 90% of its selling price. Find his profit percentage.
[Hint. Let S.P. be *x, then C.P. = 90% of r = x, profit =*
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Answer 1

Answer:

11.11% (approx)

Step-by-step explanation:

let SP=x

then,

CP=(x/100)*90=9x/10

profit=SP-CP

=x-(9x/10)

=x/10

profit%=(profit/CP)*100

=(x/10)*(10/9x)*100

=100/9

11.11%(approx)