If 9 x n/5 = 9 divided by n/5 what does n equal?

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

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 ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Which of the following best describes the figure?