 
<translate> Bayyana tsarin tunani mataki-mataki sannan kuma amsar karshe. Colin ya yi tafiyarsa ta farko cikin minti 6. Ya gudu mil biyu na gaba a cikin minti 5 kowannensu kuma ya gama mil na 4 a cikin minti 4. Menene matsakaicin lokacin da ya dauka don ya gudu mil? <eng> Give the step-by-step reasoning process and then the final answer. Colin ran his first mile in 6 minutes. He ran his next two miles in 5 minutes each and finished his 4th mile in 4 minutes. What was the average time it took him to run a mile? 