George walks to a friend's house he walks 750 meters north then realizes he walk too far he turn around and walks 250 mere south. the entire walk takes him 13 seconds. what is his speed per second

Acable company claims that the average household pays $78 a month for a basic cable plan, but it could differ by as much as $20. write an absolute value inequality to determine the range of basic cable plan costs with this cable company. a. |x − 78| ≥ 20 b. |x − 20| ≥ 78 c. |x − 20| ≤ 78 d. |x − 78| ≤ 20