Math, asked by sandhiyasandy, 1 year ago

water tax is increased by 20% but its consumption is decreased by 20% then the increase or decrease in the expenditure of the money

Answers

Answered by Siyappa
11
4 % decrease will be the answer
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sandhiyasandy: but the answer given in the book is 4% decrease but i am not sure
Siyappa: ek min
sandhiyasandy: give me the reason for your answer pls
Siyappa: see pics
Siyappa: answer will be 4% decrease
Answered by rasmidash786
1

Answer:4% decrease

Step-by-step explanation:

Here a= 20

a² /100 = ( 20)² /100

=400/100

= 4% decrease

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