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Richard needs to fly from San Diego to Halifax, Nova Scotia and back in order to give an important talk about mathematics.  On the way to Halifax, he will get a speed boost from the wind which blows at 100 miles per hour (mph).  On the way back, the plane must, unfortunately, fight this wind speed.  If the talk lasts \(4\) hours, and if the distance between the two cities is 3600 miles, how fast must the plane fly in mph if the entire trip is to take 18 hours?

 Feb 18, 2022
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Look at:  https://web2.0calc.com/questions/algebra_23346

for a very similar problem.

 Feb 18, 2022

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