jan has a pillow for 40 dollars. She gets 20 and 10% off. What percent does she end up paying?
If by 20 you mean $20 off, then
40 -20 =$20
20 X 10%=$2.00 off, so she pays
20 - 2=$18 the cost of the pillow. Then,
18/40=45% of the original she paid for the pillow.
