Tim needs 18 pens he can buy them in packages of 6 9 or 12 he will buy only one type of package which packages could tim buy write 2 different ways that tim could buy exactly 18 pens

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same