At 14 30, Will left Town Q for Town R, driving at a speed of 75 km/h. At 16 30, Flynn also left Town Q for Town R driving at a certain speed. Both of them did not change their speed throughout the journey. At 19 30, both of them passed a cafe that was 225 km away from Town R. How many minutes earlier did Flynn reach Town R than Will?
Duration that Will travelled from 14 30 to 19 30 = 5 h
Distance that Will travelled
= 5 x 75
= 375 km
Distance between Town Q and Town R
= 375 + 225
= 600 km
Since Flynn passed the cafe at the same time as Will, it means that Flynn travelled 375 km in 3 hours.
Flynn's speed during the journey
= 375 ÷ 3
= 125 km/h
Duration that Flynn took to reach Town R after passing the cafe
= 225 ÷ 125
= 1.8 h
Duration that Will took to reach Town R after passing the cafe
= 225 ÷ 75
= 3 h
Difference between the time they took to reach Town R
= 3 - 1.8
= 1.2 h
1 h = 60 min
1.2 h = 1.2 x 60 = 72 min
Flynn reached Town R 72 minutes earlier than Will.
Answer(s): 72 min