Question 1185904
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A jet travels 2320 miles against a jetstream in 4 hours and 2760 miles with the jetstream in the same amount of time. What is the rate of the jet in still air and what is the rate of the jetstream?
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r, the jet speed
w, the wind stream speed

{{{2320/4=r-w}}}
{{{and}}}
{{{2760/4=r+w}}}


{{{system(r-w=580,r+w=690)}}}------------Ready for Elimination Method