A shopkeeper sold an article at a gain of 5% if he had sold it for 16.50 less he would have lost 5% find the cost price of the article
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Answer:
the answer is 330
Step-by-step explanation:
considering the cost of the article as x,
x-16.5 = x-(5% of x)
x-16.5 = x-(x/20)
x-16.5 = 19x/20
20(x-16.5) = 19x
20x-330 = 19x
20x-19x = 330
x = 330
therefore the cost price of the article is 330
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