a reduction of 10 % in the price of Apple enable a person to buy 400 gram weight more of Apples for rupees 180. find the original price per kg weight
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Let the original price be Rs.x . New price is (75/100)*x
He can originally buy 189/x kg , now he can buy (189/(75x/100))
Thus , 189/x + 3 = (189/(75x/100))
Thus x = 21
He can originally buy 189/x kg , now he can buy (189/(75x/100))
Thus , 189/x + 3 = (189/(75x/100))
Thus x = 21
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