Question

Brian and Juan rode their bicycles through the busy traffic and covered 26 miles in 4 hours. At the center of town, they slowed to half that pace. How long did it take them to travel the remaining 10 miles

Answer 1

avg speed first= 26/4 = 6.5 mph
time for second= distance/speed=10/(6.5/2)=20/6.5= .....