Answer:
2hr much longer
Step-by-step explanation:
Given parameters
Distance = 600km
Speed 1 = 50km/h
Speed 2 = 60km/h
Unknown:
How much longer will it take to travel a distance = ?
Solution:
Speed is the distance divided by time;
Speed =
Now;
Time taken =
Time 1;
=

= 12hr
Time 2;
=

= 10hr
To find how much more time;
Time 1 will take 12hr - 10hr, 2hr much longer to travel the distance at that rate.