If t is years, and n is months, the answer would be B) 12, because there are 12 months in a year.
Based on the above, The system of equations are x + y=557, The total pages in shorter book is 245 and the total pages in longer book is 312.
<h3>What is writing?</h3>
Writing is known to be a Language writing system that act as a tool for human communication.
Note that it is one where a person uses in the depiction of a language via a system of physically written or digitally depicted symbols.
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C. It is always less than 100%
