Mathematics, 24.09.2019 22:30, tuetheturtle

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

Answers: 2

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Irwin rode his bicycle from one end of a trail to another and back at a speed of 20 miles per hour....