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The price of sugar goes up by 30%. By what per cent should a house wife reduce her consumptionsthat the expenditure does not increase?13. |
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Answer» Let price of 100kg sugar be=100rsPrice goes up by 30% , therefore new price= 130rs In 130rs quantity of sugar can be purchased =100kgIn 100rs quantity of sugar can be purchased =100×100/130=1000/13kgDifference in consumption =100/1-1000/13=1300-1000/13=300/13kg % of reduction= 300/13/100×100= 23×1/13%. |
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