Respuesta :

Answer:

you have to find the unit rate first then try to solve

Step-by-step explanation:

Answer:

1/4 minutes

Step-by-step explanation:

1 minute = 60 seconds

3 minutes = 180 seconds

3 minutes and 15 seconds = 195 seconds

13 miles/195 seconds

195/13 = 15

His speed --> 1 mile/15 seconds

1/4 minutes = 15 seconds

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