A reduction of 20% in the price of sugar enables a family to purchase 5kg more for rs 160. what is the reduced price per kg? what was the price per kg before reduction?
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160/x kg can be bought. Now price has reduced by 20% ie for 160/x qty one has to pay only 4/5 of 160 or Rs. 128. With the difference in price of Rs 32/- (2.5 kg) or 5/2 kg of sugar can be got.
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