Question

acid with 25% and 40% concentration are mixed to get 60 liters of 30% consentration .how many liters of each kind is needed​

Answer 1

Answer:

40% of 2 litres and 25% of (60-2=58) liters

Step-by-step explanation:

given 60litres of 30%

so 40% of x liters and 25% of (60-x) litres

0.4x+0.25(60-x)=0.3*60

40x+150-25x=180

15x=30

x=2

so

40% of 2 liters and 25% of (60-2=58) litres

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Answer 2

Kindly refer to the attachment for solution.

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