Six ice cream bars and four bags of chips cost $13.50. Ten ice cream bars and five bags of chips cost $20.00. What is the cost for each item sold separately?

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.