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Two airplanes leave Dallas at the same time and fly in opposite directions. One airplane travels 80 mph faster than the other. After 3 hours, they are 2940 miles apart. What is the rate of each plane?
 one year ago
 one year ago
Two airplanes leave Dallas at the same time and fly in opposite directions. One airplane travels 80 mph faster than the other. After 3 hours, they are 2940 miles apart. What is the rate of each plane?
 one year ago
 one year ago

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kropot72Best ResponseYou've already chosen the best response.0
Let s = speed of slower airplane Then speed of faster airplane = s + 80 Combined speed = s + s + 80 = 2s + 80 mph Distance = speed * time 2940 = 3(2s + 80) Can you now solve for s?
 one year ago

xokatexoBest ResponseYou've already chosen the best response.0
i figured it out before but thanks for the effort. While your here, for motion problems it distance divided by rate to find time right
 one year ago
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