Your store has an average time of 90 seconds to process a sales transaction. There are three customers in line to check out. How much time will have passed when the last sales transaction is complete? a) 4.5 minutes b) 5 minutes c) 6.25 minutes d) 8 minutes
The answer is A. because first, you need to multiply 90 times 3 which will equal 270 seconds. Then, once you divide the seconds by 60 to figure how many minutes 270 seconds is, you get 4.5 minutes.
