Answer:
[tex]42.2[/tex]
Step-by-step explanation:
When subtracting decimals, it is the same as subtracting regular numbers but with dots.
All you have to do is:
-29.1
-71.3
Switch it since it is a negative.
71.3
29.1
Subtract it:
[tex]71.3 - 29.1 = 42.2[/tex]
