If price of tea increased by20% . By what percent must the consumption be reduced to keep the expense same
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I don't know the full concept
But I can solve it with a short trick
Your answer is here
Let total Expenditure is 100
But price of tea is increased by 20 % then total Expenditure is 100 + 20 % more
Then 100 + 20 = 120
It means new Expenditure is 120
Then 20 ÷ 120 × 100 = 16.66 %
It means 16.66 percent must the consumption be reduced to keep the expense same
To keep the same, we will have to reduce that to 20. The less you spend, the less the consumption will be.
I hope it's helpful for you. Thank you
But I can solve it with a short trick
Your answer is here
Let total Expenditure is 100
But price of tea is increased by 20 % then total Expenditure is 100 + 20 % more
Then 100 + 20 = 120
It means new Expenditure is 120
Then 20 ÷ 120 × 100 = 16.66 %
It means 16.66 percent must the consumption be reduced to keep the expense same
To keep the same, we will have to reduce that to 20. The less you spend, the less the consumption will be.
I hope it's helpful for you. Thank you
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