3distance questions: jane drives from alabama to arkansas at 30 mph, then back to alabama at 50 mph without stopping. if the round-trip journey takes 4 hours, how much longer does it take jane to drive to arkansas than it takes her to drive back to alabama? a plane travels with headwinds at 300 mph from ny to paris. the return flight with tailwinds is undertaken at 700 mph. if the total flight time round-trip is 16 ours, how long does it take to go from ny to paris?