Karen purchased a DVD player on sale. The original selling price was ​$171.50. The sale price was ​$145.22. What is the first step in finding the percent​ markdown? Find the percent markdown.

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c