Question

20 litre mixture has 20% alcohol and rest water. If 4 litre
more water is added. Find the percentage of alcohol in
the mixture?
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Answer 1

Answer:

15% I think

Step-by-step explanation:

i hope it helps to you

Answer 2

Answer:

20 litres of mixture has 20% of alcohol.

Alcohol = 20×20100 = 4 litres

Old mixture has 16 litres of water and 4 litres of alcohol.

New mixture has (16+4x) litres of water and 4 litres of alcohol.

Percentage of alcohol = 424×100=42400

=1006=1646=1623%