Question

The price of tea being increased by 20%, a man

reduces his consumption by 20%. By how much

percent will his expenses for tea be decreased?

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Answer 1

Answer:

4%

Step-by-step explanation:

Let the tea consumed = x

Let cost of tea = y

Thus, the expenditure = xy

After the increase :

Tea consumed = 20% of x = 1.2x

Cost of tea = 0.8 y

Thus, the expenditure = 0.96xy

Therefore the expenditure decreases by 4%.

Hope it helps!

Answer 2

Answer:

No it depends

Step-by-step explanation:

lets say a cup of tea is 10 DHS and 20 % more is 12 and lets say he drinks 5 cups a day and 20 % less is 4 cups so 12 x 4 = 48 and 5 x 10 = 50 so no