SOLUTION: if 2 buses leave houston at the same time, one is traveling at 45 mph and one at 55 mph. when will they be 400 miles apart? I am 27 y/o trying to help my sister with her Alg 2 hw.

Question 337893: if 2 buses leave houston at the same time, one is traveling at 45 mph and one at 55 mph. when will they be 400 miles apart? I am 27 y/o trying to help my sister with her Alg 2 hw. ITS BEEN SO LONG since I had word problems! Would you set the equation up like this? x=400/45-400/55
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
You have to specify the directions. If one goes east and the other west, it's different that one going north and one going west.

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