SOLUTION: solve: 4

SOLUTION: solve: 4 - 1/b < 3/b

Question 117344:
solve: 4 - 1/b < 3/b
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
4-1/B<3/B
-1/B-3/B<-4
-4/B<-4 CROSS MULTIPLY.
-4<-4B
-4B>-4 NOW DIVIDE BY -4 (DIVIDING BY A NEGATIVE CHANGES THE > SIGN TO A < SIGN.
B<-4/-4
B<1 ANSWER.
PROOF:
LET B=.9
4-1/.9<3/.9
4-1.111<3/.9
2.8889<3/.9
2.8889<3.3333

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