SOLUTION: Two men start at 8 A.M. from the same place, in opposite directions, at speeds of 45 miles and 60 miles per hour, respectively. When will they be 240 miles apart?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Two men start at 8 A.M. from the same place, in opposite directions, at speeds of 45 miles and 60 miles per hour, respectively. When will they be 240 miles apart?       Log On


   

Question 1195874: Two men start at 8 A.M. from the same place, in opposite directions,
at speeds of 45 miles and 60 miles per hour, respectively. When will
they be 240 miles apart?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Two men start at 8 A.M. from the same place, in opposite directions,
at speeds of 45 miles and 60 miles per hour, respectively. When will
they be 240 miles apart?
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"respectively" is superfluous.
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d = r*t
t = d/r = 240/(45+60) hours