Question

When ringing up a customer,a cashier needs 10seconds to process payment as well as 1second to scan each item being purchased .How long does it take to ring up a customer with 37 items ? Answer

Answer 1

47 seconds

Explanation:

It takes 37 seconds to scan 37 items at the rate of 1 second per item. It takes an additional 10 seconds to process the payment. Then the total time is ...

37 +10 = 47 . . . seconds