John ate too many holiday cookies and gained 2.3 kg in December then he went on a diet and lost 1.5 kg in January then he lost another 3.7 kg in February John wants to know what the total change in his weight was over these three months

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.