8. A music store bought a CD set at a cost of $20. When the store sold the CD set, the percent markup was 140%. What is the markup?
A. $28
C. $2.80
B. $48
D. $2,800

Norma has an a-frame cabin. the back is shown below. how many square feet of paint will she need to cover the back of the cabin? explain how you found the answer.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?