The price of onions is now reduced by 25%, what percent of its consumption should the family increased so as not to reduce the expenditure on this item.
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Can be done using a simple formula for percentage :
Decrease in consumption = [% Price increase/(100 + % Price Increase)]×100
So , If price of onion rises by 25% =>
Decrease in consumption = [25/(100+25)] × 100
= [25/125]×100 = 20
Hence , consumption of onion should be decreased by 20 % so that there is no change in the expenditure.
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Answer:
Hence , consumption of onion should be decreased by 20 % so that there is no change in the expenditure.
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