find the amount of tip on a $75 bill if a 15% tip is left.
a) $ 11.25
b) $ 11.20
c) $ 10.50
d) $12.00

what is the final price for a pair of $39.50 jeans after 5% sales tax has been added?

a)$37.95
b)$40.95
c)$41.48
d)$1.98

what is the final price of $24 sweatshirt if there is a 20% discount applied and then a 7% sale tax added?
a) $22.26
b)$19.20
c)$25.68
d)$20.54