Question 942885
They traveled 480 km in three hours, so combined speed was 160 km/hr
One was 14 km/hr faster, so subtract 14: 160-14=146 km/hr divide by 2
146/2=73 km/hr for the slower vehicle and 73+14=87 km/hr for the faster.
The combined total of 160 km/hr would cover the 480 km in three hours.