Answer:
34
Step-by-step explanation:
a - 54 ÷ b =
40 - 54 ÷ 9 =
40 - 6 =
The answer is 34.
All you have to do is evaluate. (plug in the #'s)
a-54/9 can be changed to
40-54/9
54/9=6 and 40-6=34