Apassenger train left berlin and traveled west. 14 hours later a cattle train left traveling at 85km/h in an effort to catch up to the passenger train. after traveling for three hours the cattle train finally caught up. find the passenger train’s average speed(urgent)

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step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.