SOLUTION: Two buses leave Houston at the same time and travel in opposite directions. One bus averages 55 mi/h and the other bus averages 45 mi/ h. When will they be 400 mi apart?

Question 637199: Two buses leave Houston at the same time and travel in opposite directions. One bus averages 55 mi/h and the other bus averages 45 mi/ h. When will they be 400 mi apart?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Two buses leave Houston at the same time and travel in opposite directions. One bus averages 55 mi/h and the other bus averages 45 mi/ h. When will they be 400 mi apart?
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They are separating at a rate of 55+45 = 100 mph
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Solve 400/100 = 4 hrs
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Cheers,
Stan H.
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