SOLUTION: A plane is travelling at 450 mph. It travels 10 miles. How long does it take to travel the distance?
I guessed 45 sec...
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Question 667420: A plane is travelling at 450 mph. It travels 10 miles. How long does it take to travel the distance?
I guessed 45 sec...
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A plane is travelling at 450 mph. It travels 10 miles. How long does it take to travel the distance?
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d = r*t
t = d/r
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Guessing is not the way to do it.
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d = r*t = 450 mi/hr * 45 sec * 1min/60 sec * 1 hr/60 min
d = 450*45/3600 miles in 45 sec
d = 5.625 miles in 45 seconds.
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