Parker bought 4 times as many marbles as molly. cole bought 5 fewer marbles than parker. if molly bought p marbles how many did cole buy?

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.