Rochelle bought 12 spiral notebooks for school. Each notebook cost $1.50, including tax. Which number sentence could you use to find C, the change that Rochelle received when she paid with a
$20 bill?
A
C = (12 + $1.50) x 0.8 - $20
B
C = 0.08 * $20 - (12 x $1.50)
с
C = $20 - (12 x $1.50)
D
C = 0.08 x 12 x ($20 - $1.50)