How long does the first to arrive have to wait for second

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Alan leaves Los Angeles at 8:00 a.m. to drive to San Francisco, 400 mi away. He travels at a steady 47.0mph . Beth leaves Los Angeles at 9:00 a.m. and drives a steady 56.0mph .

How long does the first to arrive have to wait for the second?

Reference no: EM13323531

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