Question

Janet read 60 books last year. The average numbers of books she read over the first 10 months of last year was 4 books per month. If she read 11 books in November, how many books did she read in December?

Answer 1

Answer:

9

Step-by-step explanation:

total books=60

first 10months=4×10=40books

November=11books

December=60-(40+11)

60-51=9books