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a plane whose air speed is 150 miles per hour flew from abbot to blair in 2 hours with a tail wind. on the return trip against the same wind the plane was still 60 miles from abbot after 2 hours.

2007-11-08 01:39:38 · 1 answers · asked by Anonymous in Science & Mathematics Mathematics

1 answers

x = wind speed
150+ x = speed with wind
2(150+x) = distance from A to B
150-x = speed against wind
2(150-x) = 60 less than distance from B to A
2(150-x) = 2(150+x)-60
300-2x =300 +2x -60
4x = 60
x= 15 mph = wind speed
2(165) = 330 miles = distance from A to B

2007-11-08 01:53:31 · answer #1 · answered by ironduke8159 7 · 0 0

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