Pat traveled a distance of 240 miles in x hours. For a part of journey he was travelling at constant speed of 40 miles per hour whereas for the remaining part of the journey he was traveling at constant speed of z miles per hour. How long was he traveling at z miles per hour.
(1) Average speed for the journey is 48 miles per hour.
(2) z > 48 miles per hour![]()
(1) Average speed for the journey is 48 miles per hour.
(2) z > 48 miles per hour