Question

train a and b are traveling in the same diraction on parallel tracks train a is traveling at 60 miles per hour and b is going at 70 per hour train a passes a station at 11:20pm if b passes the stations at 11:50pm what time will b catch up to train a

Answer 1

Let t be the time on a clock that started when train be passed the station. Solve the following for t, the elapsed time for train b to intercept train b:\[70\text{ t = }60*0.5 + 60\text{ t }\]t = 3 hours, 11:50 pm +3 hours = 2:30 am

Answer 2

The following is a better crafted statement:

Let t be the time on a clock that started when train "b" passed the station. Solve the following for t, the elapsed time for train "b" to intercept train "a":

Answer 3

this is one of those classic questions you can ask to get blank faces from people

Answer 4

ill answer it, lets use d = rt, brb