The selling price of 10 pencils is equal to the cost price of 11 pencils. what is the profit percent
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let cp of 1 pencil be - x/11
and sp of 1 pencil be - x/10
profit = sp-cp = x/10 - x/11
= x/110.
profit% = profit × 100/ cp
= x ×100×11 / 110 × x= 10%
therefore profit% = 10%
and sp of 1 pencil be - x/10
profit = sp-cp = x/10 - x/11
= x/110.
profit% = profit × 100/ cp
= x ×100×11 / 110 × x= 10%
therefore profit% = 10%
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