By selling 72 articles, a loss equal to the selling price of 8 articles was incurred. What is the loss percentage?
let selling price (sp) of one article be x
then for 8 article 8x
and for 72 articles 72x
Cost price (cp) of 72 article is 72x+8x=80x
loss percentage(loss%)=$$\frac{loss}{cost price}$$×100
loss percentage = $$\frac{8x}{80x}$$×100
loss percentage=10%
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