Due to an increase in the price of sugar by 25%, by how much per cent must a householder decrease the consumption of sugar so that there is no increase in the expenditure on sugar?
Answers
Answered by
19
Step-by-step explanation:
let original consumption = 100kg
& o.expenditure = 100 Rs
new expenditure=100 + 25% of 100
= Rs125
new consumption will be = 125kg
required decrease in comsumption
to maintan expenditure
= 125 - 100 = 25 kg
decrease% = 25/125 * 100
= 20% Answer
trick :
increase in price = 25% = 25/100 = 1/4
l New price = 4+1 = 5
required decrease in comsumption
= 1/5 * 100 = 20% Answer
Answered by
4
Step-by-step explanation:
Let,the price of sugar be Rs100
After increased by 25% the new
price will be. rs100+25% of 100
rs 125
The percent which the house holder need to decrease the consumption
125 minus 100 divided by 125 * 100
20%
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