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OpenStudy (ledah):
A plane flew 1740 km in 6 hours with a tail wind. On the return trip, going into the wind, the plane flew 570 km in 3 hours. What is the plane's speed if there was no wind? What is the speed of the wind? Write the system of equations that would be used to solve this problem.
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OpenStudy (anonymous):
Define your variables first. Always. So what are the unknowns in this problem? There are 2.
OpenStudy (ledah):
planes speed without wind and plane speed with wind?
OpenStudy (anonymous):
No. Hint: read the problem again and pay attention to the questions being asked.
OpenStudy (ledah):
speed of the wind?
OpenStudy (anonymous):
That's one. And what else?
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OpenStudy (ledah):
The planes speed?
OpenStudy (mertsj):
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