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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.....

Question Posted / sabarish

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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 neede..

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

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 neede..

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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