Grace is training to be an airplane pilot and must complete five days of flying training...

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Grace is training to be an airplane pilot and must complete five days of flying training in October with at least one day of rest between trainings. How many ways can Grace schedule her flying training in October (or any other 31-day month) given that she cannot train on consecutive days? Hint: consider the lengths of the gaps between flights. Grace is training to be an airplane pilot and must complete five days of flying training in October with at least one day of rest between trainings. How many ways can Grace schedule her flying training in October (or any other 31-day month) given that she cannot train on consecutive days? Hint: consider the lengths of the gaps between flights.