Question

8. A vegetable vendor purchased lemons at 20 per dozen. He sells them at a loss of 10%
Find the selling price of half a dozen lemons.​

Answer 1

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S.P - C.P)/C.P = -10/100 

==> s.p/c.p = 1-0.1 = 0.9 

==> S.P = 20*0.9 = 18