SOLUTION: an item was sold for 810 and gave 10% loss. at what price should it have been sold to give profit of 20%?

Question 761643: an item was sold for 810 and gave 10% loss. at what price should it have been sold to give profit of 20%?
Answer by sachi(548) (Show Source): You can put this solution on YOUR website!
an item was sold for 810 and gave 10% loss.
say the cost price is 100
then at 10% loss the selling price is 100-10=90
so at selling price 90 the cost price is 100
now at selling price 810 the cost price is 100*810/90=900
so the cost price is 900
now the profit is 20%
at the cost price is 100 selling price 100+20=120
now at cost price is 900 selling price 120*900/100=1080
at 1080 rs should be sold to give profit of 20%
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