Brenda's train leaves at 7: 30 a. m. she needs to arrive 10 minutes early to but her ticket. it takes her 20 minutes to get to the train station. at what time should brenda leave her house?

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.