Posted by Mia on Wednesday, March 13, 2013 at 10:30am.
I know these really well, but ive tried alot and couldn't get the same answer as the book.!
1(3x/2) <. 4

Math question  Bosnian, Wednesday, March 13, 2013 at 10:46am
If 1(3x/2) <. 4 mean :
1  ( 3 x / 2 ) < 0.4 then Subtract 1 to both sides
1  ( 3 x / 2 )  1 < 0.4  1
 3 x / 2 <  0.6 Multiply both sides by 2
 3 x <  1.2 Divide both sides by  3
________________________________________
Remark:
When you multiply or divide inequality with negative number, you must change the direction of the inequality.
________________________________________
x >  1.2 /  3
x > 0.4
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