A library employee takes 45 seconds to process a returned item. One morning there were 30 items in the book return bin. How long did it take the employee to process all of the returned items?

a) 22 ½ minutes
b) 30 minutes
c) 45 minutes
d) 135 minutes
e) 1350 minutes


a) 22 ½ minutes

Computer Science & Information Technology

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