answer :
I am sure that she spent 6
step-by step explanation:
so 32 dollars on 4 books . if you look
closely you will see that 32 / 2 is 16 , which
is how much she spent on Tuesday . If you
divide 4 book ( on Monday ) by 2 it will 2
then you add 4 books + 2 books = 6 books in total
hope it helps