Nigel's class placed 10 empty rain buckets on the playground Monday morning. The line plot below shows the number of inches of rainwater in each bucket after it rained Monday afternoon. What is the mean amount of rainwater collected by the 10 rain buckets?

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.