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Daal is now being sold at Rs 20 a kg During last month its rate was Rs 16 per kg By how much percent should a family reduce its consumption so as to keep the expenditure fixed?
Wiki User
∙ 11y ago
first calculate rate percentage.
rate %=(change/original)*100
so
r=(4/16)*100=25%
now
use (r/100+r)*100
then
(25/25+100)*100
=20%
Wiki User
∙ 11y ago
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A family spends 20 percent of there monthly income on food 23 percent on rent 42 percent on other exspenses and saves the balance if the family saves 360 per month what is it's monthly income?
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