Using the steps of PEMDAS, first solve the parentheses inside the brackets.
[(40+5)-32]÷9·2
[45-32]÷9·2
Solve what's left in the brackets.
13÷9·2
Multiply 9 and 2.
13÷18
The answer is [tex]\frac{13}{18}[/tex] or 0.72.
