I am really tired and i cant sem to thik right. Please help with these 2 questions 1. The problem statement, all variables and given/known data 1. If you must average 60 km/h for a 90-km trip, and only average 40 km/h for the first 40 km, wha velocity must you average the rest of the way? 2. Juanita left on a walk 45 min ago. She is travelling a 4.5km/h. How fast must you travel to catch up to her in 1.0 h? 2. Relevant equations v: d/t 3. The attempt at a solution ??