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OpenStudy (anonymous):
FREE MEDAL!!! if you answer!!!! With a tailwind, a jet flew 2000 miles in 4 hours, but the return trip against the same wind required 5 hours. find the jet's speed and the wind speed.
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OpenStudy (pokemon23):
Hero and moneybird got this in the bag
OpenStudy (anonymous):
Let the jet speed be a and wind speed be b (a +b) 4 = 2000 5(a-b) = 2000
hero (hero):
I don't know why everyone keeps saying "Free Medal". The medals are free anyway. No one has to pay for them.
OpenStudy (pokemon23):
I just gave you a free medals
OpenStudy (anonymous):
a + b = 500 a - b = 400 2a = 900 a = 450 b = 50
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OpenStudy (anonymous):
thankyou
OpenStudy (anonymous):
answererrrrrrred
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