Towns a and b are 400 miles apart. if a train leaves a in the direction of b at 50 miles
per hour, how long will it take before that train meets another train, going from b to a,
at a speed of 30 miles per hour?

Afair survey question is one that does not encourage biased responses. which survey question is fair? a.) do you agree that only unethical people take credit for other people’s work? b.) have you ever taken credit for somebody else’s work? c.) have you ever engaged in unethical behavior, such as taking credit for somebody else’s work? d.) don’t you think it is unethical to take credit for somebody else’s work?