Question

please give me the answer fast​

Answer 1

Answer:

approx.186 litres

Step-by-step explanation:

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Answer 2

Answer:

35 litres should be added to 30% water to fill it to 80%

Step-by-step explanation:

total storage of the tank=70 litres

it is filled till 30%

so , 30%of 70 litres= 70×30/100

=21 litres

we have to fill it till 80%

so 80% of 70 litres=70×80/100

=56 litres

litres should be added to 30%to increase it till 80%

=80%-30%= 56 litres- 21 litres

=35 litres should be added to 30%

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