Sandy earns $9 per hour at the bicycle rental shop plus $0.25 for each bicycle she rents that hour. sandy's pay, p, for one hour is $12.50. the number of bicycles she rented that hour is

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.