Question

Wendy paid $1.20 to make 18 copies at the copy store. At this rate how much would she pay to make 27 copies?

Answer 1

D. $1.80

You divide $1.20 by 18 to get the amount per piece which is about $0.067. Then you multiply 0.067 by 27 for the amount for 27 pieces which is about $1.81 rounded to $1.80.