SOLUTION: A plane travels east at 210mph. Thirty minutes later, a second plane leaves the same airport traveling west at 160mph. Write and solve an equation to determine when the planes will
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Question 250435: A plane travels east at 210mph. Thirty minutes later, a second plane leaves the same airport traveling west at 160mph. Write and solve an equation to determine when the planes will be 660 miles apart. Answer by rfer(16322) (Show Source):
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