SOLUTION: [ It took an airplane 3 hours to fly 1260 mi against a headwind. The return trip with the wind took 2 1/3 hours. Find the speed of the plane with no wind and the wind speed. ]

Question 822254: [ It took an airplane 3 hours to fly 1260 mi against a headwind. The return trip with the wind took 2 1/3 hours. Find the speed of the plane with no wind and the wind speed. ]
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
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out:
s - w = 1260/3
s - w = 420
return:
s + w = 1260/(7/3)
s + w = 540
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put the system of linear equations into standard form
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x - y = 420
x + y = 540
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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answer:
x= airplane = 480 mph
y= wind = 60 mph
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Solve systems of linear equations up to 6-equations 6-variables:
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