Question

② - 142.5÷12

Explanation:

Step1: Perform division operation

$-142.5\div12=-\frac{142.5}{12}$
$=-\frac{1425}{120}$
$=-\frac{285}{24}$
$=-\frac{95}{8}$
$=- 11.875$

Answer:

$-11.875$