Respuesta :

91 minutes.

Hope it helps u.

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Answer:

1 hour 31 minutes = 91 minutes

Step-by-step explanation:

How many minutes in one hour?

60 minutes

Now add 60 minutes to 31 minutes

60 + 31 = 91

Hence, the answers is 91 minutes.

1hr 31 mins is equivalent to 91 mins.

hope this helps and is right. p.s. i really need brainliest :)