4(r + w) = 800
5(r - w) = 800
r + w = 200
r - w = 160
2r = 360
r = 180
180 - w = 160
w = 20
Maimouna S.
asked • 04/17/18When an airplane flies with the wind, it travels 800 miles in 4 hours. Against the wind, it takes 5 hours to cover the same distance.
System of equations
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