in a mixture R is 2 parts and S is 1 part. In order to make
S to 25% of the mixture how r is needed ? give the steps
plz.....
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Answer / antony kurian
Its very simple..
consider the fraction of s in the mixture = 1/3
So if we add one more R the the fraction wil be = 1/4
Automaticaly S becomes 25% of the mixture
Is This Answer Correct ? | 41 Yes | 6 No |
Answer / vandana gopal
S/(S+R)=25%
i.e
S/(S+R)=1/4
R=3*S
Since S=1
R=3.
Thus one more part of R should be added.
Is This Answer Correct ? | 35 Yes | 5 No |
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