Answer:
2 2/3
Explanation:
First day: 1 1/3 slower
second day: (add first and 1 1/3) 2 2/3
If it slows by 1 1/3 every day, then he loses 80 seconds every day.
After two days, it will have been slower by:
160 seconds (seconds form)
or
2.66 minutes (decimal form)
2 2/3 minutes (fraction form)
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