A number cube has faces numbered from 1 to 6. When the number cube is rolled, the theoretical probability of it landing with a multiple of 3 on the top face is 1/3. What is the probability of the number cube NOT landing with a multiple of 3 on its top face?

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.