2.3 oz per bag, so for x bags you have 2.3x oz total. The total amount is given as 27.6 oz, so you have 27.6=2.3x. set equation [tex]27.6=2.3x[/tex] simplify by dividing both sides by 2.3 [tex]\frac{27.6}{2.3}=\frac{2.3x}{2.3}[/tex] solution: [tex]x=\frac{27.6}{2.3}=12[/tex]