Answer:
The answer is 24
Step-by-step explanation:
What you can do is add all of the numbers (31 + 33 + 35 + 37 + 39)
[tex]31 + 33 + 35 + 37 + 39=175[/tex]
Then subtract 199 by 175
[tex]199-175=24[/tex]
To check add them all together
[tex]31 + 33 + 35 + 37 + 39+24=199[/tex]
Hope this helps
