Andrea and Zach are both waiting for an appointment with a guidance…

Andrea and Zach are both waiting for an appointment with a guidance counselor. When they arrived, each received a card from the secretary, telling the hour and minute of his or her arrival. Two minutes ago, Andrea had been waiting exactly as many minutes as Zach. Three minutes from now, Andrea will have been waiting exactly 2/3 as long as Zach. If the time is now 11:30, at what time did Andrea arrive?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #50562