Abner walks 3 miles per hour at this rate how long will it take him to walk 7/1/2 miles.

Iam so stuck. what is the worked out answer for this question?

Create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

Me asap! what is the slope of this line? enter your answer in the box.