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IN a mixture ,R is 2 parts , S is 1 part. In order to make S to 25% of the mixture . How much of R is to be added??
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- 1 part more
- 12 years agoHelpfull: Yes(12) No(1)
- S=1,R=2
S=25%
R=50% - 12 years agoHelpfull: Yes(4) No(2)
- R=75-50=25%
- 12 years agoHelpfull: Yes(2) No(1)
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