Contemporary Mathematics for Business & Consumers 8th Edition by Robert Brechner,Geroge Bergeman

Exercise 30

Solve the following word problems, rounding dollars to the nearest cent and percents to the nearest tenth of a percent.
From the Office Market coupon shown here,
a. Calculate the markdown percent.
b. If the offer was changed to "Buy 3, Get 2 Free," what would be the new markdown percent
c. Which offer is more profitable for the store Explain