if the price of 100kg of rice increases 15% per 100kg then the rate will increases 180 rupees.so calculate the price before increasing
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Assume, initially the person used to purchase xkg rice for Rs 400, now he purchases (x-20)kg due 25% hike in price ,it means now to purchase x kg rice , the person will have to pay 400+25%of 400=500rs. It's clear that 25%of 400 ( ie Rs 100) is the increased price of 20kg rice.
Therefore, new price of 1kg rice equals to 100/20=Rs5.
125%=Rs 5
100%=(5/125)×100=Rs 4.
Thus original price of rice would be Rs4/kg.
Original consumption of rice=400/4=100kg.
Hope,it clears the doubt and gives a brief solution.
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Assume, initially the person used to purchase xkg rice for Rs 400, now he purchases (x-20)kg due 25% hike in price ,it means now to purchase x kg rice , the person will have to pay 400+25%of 400=500rs. It's clear that 25%of 400 ( ie Rs 100) is the increased price of 20kg rice.
Therefore, new price of 1kg rice equals to 100/20=Rs5.
125%=Rs 5
100%=(5/125)×100=Rs 4.
Thus original price of rice would be Rs4/kg.
Original consumption of rice=400/4=100kg.
Hope,it clears the doubt and gives a brief solution.
Please mark as brainliest
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