SOLUTION: Two planes start from the same city at the same time. One travels at 255 mi/h and the other at 266 mi/h, in the opposite direction. How long will it take for the to be 1750 miles

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Question 726816:
Two planes start from the same city at the same time. One travels at 255 mi/h and the other at 266 mi/h, in the opposite direction. How long will it take for the to be 1750 miles apart?

Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
d=rt
1,750=(255t)+(266t)
1,750=521t
t=1,750/521
t=3.36 hours or 3 hours & 22 minutes.