Question

Кассир «пробивает» 21 товар за 5 минут. За какое время кассир «пробьет» 60 товаров?

Answer 1

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Answer 2

Calculation of Time to Process 60 Items

To calculate the time it takes for the cashier to process 60 items, we need to know the time it takes for the cashier to process 21 items. From the information provided, we know that the cashier can "ring up" or process 21 items in 5 minutes.

To find the time it takes to process 60 items, we can set up a proportion:

21 items / 5 minutes = 60 items / x minutes

To solve for x, we can cross-multiply and then divide:

21 * x = 5 * 60

x = (5 * 60) / 21

Calculating this, we find that the time it takes for the cashier to process 60 items is approximately 14.29 minutes.

Please note that this calculation assumes a constant rate of processing items and does not take into account any potential variations or interruptions that may occur during the process.