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 2 years 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?
 2 years 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?

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kropot72
 2 years ago
Best ResponseYou've already chosen the best response.0Let 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?

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