Answer :

ATO,
We should convert 1.18 minutes into seconds
1 minute = 60 seconds
60 + 18 seconds = 78 seconds
We should divide with the days
So,
78 seconds ÷ 39 days = 2 seconds per day.

So,it lose 2 seconds per day.

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Rewritten by : Barada

Final answer:

The watch lost 1 minute 18 seconds in 39 days, equivalent to 78 seconds. Dividing 78 by 39, we find that the watch loses an average of 2 seconds per day.

Explanation:

The student's question is about calculating the rate of time loss for a watch. Given that the watch lost 1 minute 18 seconds over 39 days, we want to find out how many seconds it lost per day.

First, we convert the total time lost into seconds. Since there are 60 seconds in a minute, 1 minute 18 seconds is equivalent to 78 seconds.

Next, we divide the total number of seconds lost by the number of days to find the average number of seconds lost per day.

Total time lost in seconds:

1 minute 18 seconds

= 60 seconds + 18 seconds

= 78 seconds

Seconds lost per day = Total seconds lost / Number of days = 78 seconds / 39 days.

Perform the division: 78 / 39 = 2 seconds per day.

Therefore, the watch loses an average of 2 seconds per day.