Answer:
24 in/ min, 24 inches per minute
Step-by-step explanation:
Usually you would divide to find unit rate,
but in this case, 30 seconds is half of a minute so you can just multiply by 2 in order to get your unit rate. It would be 24 inches in 60 seconds, which is equivalent to a single minute
Thank me later :)
(or just give brainliest)