Diane and Anita want to plan a trip to visit Mount Everest, and they come across the following information about its average monthly temperatures on a travel website (the maximum temperature represents the warmest it gets during the day, and the minimum temperature represents the coldest it gets during the night):

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.