David and Lewis leave Chennai for Tirupati simultaneously at 7 A.M in…

David and Lewis leave Chennai for Tirupati simultaneously at 7 A.M in the morning driving in two cars at speeds of 60 mph and 80 mph respectively. As soon as Lewis reaches Tirupati he returns back to Chennai along the same route and meets David on the way back. If the distance between the two cities is 160 miles, how far from Chennai did David and Lewis meet?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #63888