Question 293946
1-.20=.80
1-.15=.85
.80*.85*450=$306 discounted price
450-306=$144 discount

another way to do it
.15*450=$67.50
450.00-67.50=$382.50
.2*382.50=$76.50
382.50-76.50=$306 discounted price
67.50+76.50=$144 discount