Let's assume that the athlete trains for "d" days.
Since the athlete trains for 80 minutes each day, the total training time would be 80d minutes.
According to the given information, the athlete trains for 640 minutes.
Hence, the equation that relates the number of days "d" can be written as:
80d = 640
an athlete trains 80 minutes each day for as many days as possible. write an equation that relates the number of days d that the athlete spends training when the athlete trains for 640 minutes
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