8. If the selling price of 15 pens is equal to cost price of 12
pens. Find his gain or loss percent.
Answers
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Step-by-step explanation:
let cp of 12 pens = sp of 15 pens
15 pens = x
so, cp of 1pen = x/12
vp of 15 pens = 15x/12=5x/4
As, 5x/4>x, so there will be a loss.
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