Distance to Cross Bridge Question
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You are traveling 55 mph over a bridge that is 4260 ft. long. How long does it take to cross the bridge?
Help me!
© BrainMass Inc. brainmass.com December 24, 2021, 4:52 pm ad1c9bdddfhttps://brainmass.com/math/algebra/distance-cross-bridge-question-12495
SOLUTION This solution is FREE courtesy of BrainMass!
Remember that the formula is:
Distance = (rate)(time).
If you solve this for time you get
Time = (distance)/(rate).
Your problem involves two different units of distance. We must convert miles to feet. 1 mile = 5280 ft.
The answer to your problem is then
time = 4260 ft/290400 ft/hr = .01467 hr
You can convert this to minutes by multiplying by 60. The time
would be .8801 minutes or approximately 52.8 seconds.
I hope this is helpful.
© BrainMass Inc. brainmass.com December 24, 2021, 4:52 pm ad1c9bdddf>https://brainmass.com/math/algebra/distance-cross-bridge-question-12495