Question

If 15 literes of 20% alcohol is mixed with 12 litres of 24% alcohol .Then find the concentration of the resulting solution​

Answer 1

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Step-by-step explanation:

Alcohol in 15 litre mixture =20% of 15

⇒

100

20

×15=3 litre

When 3 litre water is added then mixture =18 litre

Then percentage of alcohol in new mixture =

18

3

×100=

6

100

=16

3

2

%

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