A worker is packing items in a boxes. The table shows the linear relationship between the number of items the worker has packed in boxes after different amounts of time.

Which of these is true?

The worker packed 3 items in boxes per minutes
The worker packed 8 items in boxes per minutes
The worker packed 12 items in boxes per minutes
The worker packed 16 items in boxes per minutes

To determine the rate at which the worker is packing items in boxes per minute, we can look at the number of items packed at each time interval.

From the table, we can calculate the number of items packed per minute:
- Time: 5 minutes, Items packed: 15
- Time: 10 minutes, Items packed: 30
- Time: 15 minutes, Items packed: 45
- Time: 20 minutes, Items packed: 60

The rate at which the worker is packing items can be calculated by dividing the number of items packed by the time taken in minutes.

Rate = Number of items packed / Time taken

- Rate at 5 minutes = 15 items / 5 minutes = 3 items per minute
- Rate at 10 minutes = 30 items / 10 minutes = 3 items per minute
- Rate at 15 minutes = 45 items / 15 minutes = 3 items per minute
- Rate at 20 minutes = 60 items / 20 minutes = 3 items per minute

From the calculations, we can conclude that the worker packed 3 items in boxes per minute. Therefore, the statement "The worker packed 3 items in boxes per minute" is true.