Question

 In what ratio must a mixture of 30% alcohol strength be mixed with that of 50% alcohol strength so as to get a mixture of 45% alcohol strength?


a. 1:2

b. 1:3

c. 2:1

d. 3:1

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Answer 1

Answer:

1:2 I guess so but I am not sure

Answer 2

Answer:

B

Step-by-step explanation:

Let the ratio be 1:x

Then according to the question

⇒30×1+50x=(1+x)45

⇒30+50x=45+45x

⇒50x−45x=45−30

⇒5x=15

⇒x=3

∴ ratio is 1:3