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Samantha set her watch 20 seconds behind, and it falls behind another 1 second every day.
How far behind is Samantha's watch if she last set it 16 days ago?
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Answer:

1382420

Step-by-step explanation:

I assume that we are calculating how much Samantha's watch has fallen behind by exactly 16 days, without any more or less seconds. Therefore, here is my calculation:

There are 86400 seconds in a day. Given that there are 16 days, we multiply this number by 16.

86400 · 16 = 1382400

Also, we add the 20 seconds from beforehand.

1382400 + 20 = 1382420

Thus, our answer is 1382420

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