The Student Room Group

Tricky Algebra Question

A train sets of at 10:00 and travels at 60 km/hr. Another train sets off at 11:00 and travels at 100 km/hr. How many hours does it take the second train to catch up with the first?
well they have both traveled the same distance ? let the time taken for the first train to reach the crossing point be T. the second train thus takes T -1 hours.

the distance of the first train is Speed * Time...

Quick Reply

Latest