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anonymous
 5 years ago
An airplane flew 340 miles in 2 hours with the wind. It took 2 and a half hours to make the return trip against the wind. How fast is the wind blowing?
I have the formula d=rt and I started a table, but not exactly sure what equation type would give me the right answer.
anonymous
 5 years ago
An airplane flew 340 miles in 2 hours with the wind. It took 2 and a half hours to make the return trip against the wind. How fast is the wind blowing? I have the formula d=rt and I started a table, but not exactly sure what equation type would give me the right answer.

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0d = rt 340 = (r + w)2 340 = (rw)2.5 distribute both equations 340 = 2r + 2w 340 = 2.5r  2.5w Solve the 1st one for r and then substitute 340  2w = 2r divide by 2 170  w = r substitute 340 = 2.5(170  w)  2.5w 340 = 425  2.5w  2.5w 340 = 425  5w 85 = 5w 17 = w wind is 17 mph

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Thnk you very much :D
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