Answer:
1 hour 31 minutes = 91 minutes
Step-by-step explanation:
How many minutes in one hour?
60 minutes
<u>Now add 60 minutes to 31 minutes</u>
<em>60 + 31 = </em><em>91</em>
<em />
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 :)