Irwin rode his bicycle from one end of a trail to another and back at a speed of 20 miles per hour. If the trail is 4 miles long, for how many hours was Irwin riding?
A. 0.2 hours
B. 0.4 hours
C. 2.5 hours
D. 5.0 hours
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Answer:
A o. 2/hours. just Jay deny eh Rush d
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