exam Maths Puzzle Numerical Ability

A train leaves Roseville heading east at 6:00 am at 40 miles per hour. another eastbound train leaves on a parallel track at 7 am at 50 miles per hour. What time will it be when the two trains are the same distance away from Roseville?

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The following hypotheses is an example of
H0:π ≤.40
Ha:π > .40

a a one tail test for means
b. a two tail test for means
c. A one tail test for proportions
d. a two tail for proportions
e. None of the above How do you break down this word problem...and how do you solve

Dan is planning a dinner party for his office staff and their significant other. He goes down to the Union Hall an