Answer:
4
Step-by-step explanation:
bet
Answer:
287 books
Step-by-step explanation
there was already 239 books. when the problem mentoins that Mary ADDS MORE books to the shelf, the operation is addition.
239+48=287
If the question is to answer m2, than m2≈33.34 roughly
Hence, this question is out of my expiurtise ask again