The equation for this should be 4n - 15
The value missed is 1 min / 60 seconds
<h3>What is unit conversion?</h3>
Units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors.
To convert 720 seconds to hour,
First convert second to minutes divide by 60 and then again convert minutes to hour again divide by 60.
So,
720 seconds * ( 1 minutes / 60 seconds) * ( 1 hour / 60 minutes)
= 12 hours.
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The school year would be 1981-1982
Since they are the same, any change made to 1 will be the same in the other, resulting in infinite solutions.
