Homework Help: maths

Posted by peehu on Wednesday, December 26, 2012 at 7:52am.

due to competition,a trader allows a discount of 15% on the marked price of his commodity and still makes a profit of 19% on the cost price.had he sold his commodity at the marked price,what would have been his profit percent

math - drwls, Wednesday, December 26, 2012 at 8:52am
X = marked price C = cost
0.85 X = sale price = 1.19 C

C = 0.7143 X X = 1.400 C

If sold for X = 1.40 C, the profit would be 40%

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