Ben likes long bike rides

Ben likes long bike rides. On one ride, he goes biking for six hours. For the rst hour, he bikes at a speed of 15 miles per hour. For the next two hours, he bikes at a speed of 12 miles per hour. He remembers biking 90 miles over the six hours. Compute the average speed, in miles per hour, Ben biked during the last three hours of his trip.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #49430