Pablo reads 32 chapters of a book in 8 hours.
What is his rate in chapters per hour?

4 per hour

Step-by-step explanation:

32➗8=4

4 chapters per hour

Step-by-step

32/8=4 and we know that because

1h per 4

2h per 8

3h per 12

4h per 16

5h per 20

6h per 24

7h per 28

8h per 32

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

i think the answer is b.

step-by-step explanation:

not 100% sure though.