To find the number of words the book scanner scans per minute, divide the total number of words scanned (80) by the total time taken (4 minutes).
80 words / 4 minutes = <<80/4=20>>20 words/minute.
Thus, the book scanner scans 20 words per minute.
A book scanner can scan 80 words in 4 minutes. How many words does the book scanner scan per minute?
1 answer