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9.Price of kerosene oil rose by 25%. By how much percent must a person reducehis consumption so that his expenditure on it does not increase? |
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Answer» Answer: 20 % Step-by-step EXPLANATION: Step-by-step explanation: Let the consumption of sugar ORIGINALLY be 1 unit and let its cost be Rs 100. Then, the new cost will be Rs125. Now, Rs 125 will yeild ( 1/125 × 100 ) unit= 4/5 unit of sugar. Then, reduction in consumption = ( 1 - 4/5 ) = 1/5 unit Therefore, reduction % in consumption = ( 1/5 × 100 )% = 20 % It took me QUITE a time to answer sooooooooooo... PLZ mark as the brainliest and give me a like. Read more on Brainly.in - brainly.in/question/17866798#readmore |
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