SOLUTION: Two planes fly in opposite directions. One travels 550 mi/h and the other 450 mi/h. How long will it take before they are 3,000 mi apart?

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Question 1184505: Two planes fly in opposite directions. One travels 550 mi/h and the other 450 mi/h. How long will it take before they are 3,000 mi apart?
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

550+%28mi%2Fh+%29%2At%2B450%28+mi%2Fh%29%2At=3000mil
1000%28+mi%2Fh%29%2At=3000mil
t=3000mil%2F%281000%28+mi%2Fh%29%29
t=3h
it will take 3h before they are 3000mil apart