Mathematics, 12.04.2021 16:10 gracie0818
A plane flies 220 miles in an hour with the jet stream. The return flight against the jet stream to the the original hangar takes 2
hours. Which system of linear equations can be used to find the rate of the jet stream and the speed of the plane?
A)
x + y - 440
x - y - 110
B)
x + y = 220
x-y-110
9.
x + y = 220
x+y=110
D)
x + y = 220
x - y = 220
Answers: 2
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A plane flies 220 miles in an hour with the jet stream. The return flight against the jet stream to...
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