60 because 2:4 is 1/2, and when you divide by a fraction, you multiply by the reciprocal (2/1 instead of 1/2) which would be 60 in this case.
80 multiplied by 0.6 = 48
80-48=32
Answer=32 Books are nonfiction
Mouses steal cheese.Or idk
1/9 of the original pie is each slice
12, because 4 rows and 3 sections in each
4x3=12