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20 March, 11:05

Dina set her watch 20 seconds behind, and it falls behind another 1 second everyday. How many days has it been since Dina last set her watch if the watch is 27 seconds behind?

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  1. 20 March, 13:13
    0
    7 days

    Step-by-step explanation:

    The watch was set 20 seconds behind already, at the start. The watch has lost 7 more seconds at the rate of 1 second per day.
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