How long did Jose drive before Rob caught up?

Question

Jose left the White House and drove toward the Recycling Plant at an average speed of 40 km per hour. Rob left some time later driving in the same direction at an average speed of 48 km per hour. After driving for 5 hours, Rob caught up to Jose. How long did Jose drive before Rob Rob caught up?

Answer 1

d_Jose = 40(5 + t)

d_Rob = 48(5)

 

The distances are equal

 

40(5 + t) = 48(5)

 

Can you solve for t and answer