A car was originally purchased in January,2010 for 27,000 dollars. The car depreciates at a rate of 18% every year.

When will the car be worth half of its original value? Show your work.

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.