Answer:
346
Step-by-step explanation:
First, we must find how many books the library will gain in 5 months. If it gains 12 books every month, then it will gain 60 books in 5 months. Add five months to 286, and you'll get 346.
Answer:
346
Step-by-step explanation:
12 books eah month for 5 months
12×5=60
arlier the library has 286 books, so the new total will be
286+60=346