1/3b - 3/4b > 1/6.. how is the answer written? is it just -5/2 >b?

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1/3b - 3/4b > 1/6.. how is the answer written? is it just -5/2 >b?

2007-05-21 12:53:39 · 2 answers · asked by julix3x3 1 in Science & Mathematics ➔ Mathematics

2 answers

I started out multiplying by 12 to get rid of all the fractions:

1/3b - 3/4b > 1/6
4b - 9b > 2
-5b > 2

dividing by a negative number flips the inequality:

-5b > 2
-5b / (-5) < 2 / (-5)
b < -2/5

2007-05-21 12:59:12 · answer #1 · answered by McFate 7 · 1⤊ 0⤋

1/3b -3/4b > 1/6

4/12b - 9/12b >2/12
4b -9b > 2
-5b>2
b> -2/5 ???????????

2007-05-21 12:59:31 · answer #2 · answered by ineedhelp! 2 · 0⤊ 1⤋