If the prices of apples goes down by 10%, find the percentage of increase that a family should effect in its consumption so as not to increase expenditure on this account.

Percentage increase in consumption of apples by the family = 11.11%

Step-by-step explanation:

Let us assume that a family spends $100 on number of apples at the start.

Price of apples goes down by 10% which means apples  would now cost $90.

For $90 the family can buy = apples

So for $1 the family can buy = apples

So for $100 the family can buy  = apples

Increase in consumption =New consumption-Previous consumption=

Taking LCD.

apples is the increase in consumption

Percentage increase in consumption=  

=

%

Percentage increase in consumption of apples by the family = 11.11%

answer: its the third option.

step-by-step explanation:

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