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13. The price of sugar goes up by 30%. By what per cent should a house wife reduce her consumption so that the expenditure does not increase? |
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Answer» 30. is to decreased out of the INCREASED COST of Rs130 R s 130 . Percentage decrease =30130×100=30013≈23% = 30 130 × 100 = 300 13 ≈ 23 % . Hence, the consumption of 23% of sugar should be decreased so that the expenditure on sugar remains the same. |
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