Clint and jim rode their bicycles to mill park at an average of 8 mi/hr. it took then 1 hr longer to return home riding at an average of 7 mi/hr on a route that was 4 mi longer than their route. how long were they riding their bicycles? how man miles did they ride each way?

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 in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.