Hannah and Jenna are both travelling to a volleyball tournament in Grande Prairie, and leave at the same time. Hannah's parents drive her from Edmonton to Grande Prairie, a distance of 460 km. Jenna's team takes a bus from Dawson Creek, BC to Grande Prairie, a distance of 130 km. Hannah's parents' vehicle travels 10 km/h faster than Jenna's, and Jenna arrives at the tournament 3 hours earlier than Hannah. Determine how fast Hannah's parents are driving.

A trucker drove 144 miles to make a delivery and returned home on the same route. Because of foggy conditions, his average speed on the return trip was 25 mph less than his average speed going. If the return trip took 4 hours longer, how fast did he drive in each direction? going: ___ mph returning: ___mph

Taylor Swift and Travis Kelce are board a private yacht. They travel at aconstant speed of 63km/h. One of the crew members of the yacht posts onSocial Media. Crazed Taylor fans see the post, combine their money andrent their own boat and plan to catch up to take some photos of thecelebrities. The fans boat leaves port 24 min later and travels at 75 km/h inpursuit of the boat. Find the times each has travelled when the fans catchup.