Answer:
47
Step-by-step explanation:
Let a, b, and c be those three numbers.
When two of the three numbers are added at a time, the possible sums are 32, 39, 23. Let
[tex]a+b=32\\ \\a+c=39\\ \\b+c=23[/tex]
Add these three equations:
[tex]a+b+a+c+b+c=32+39+23\\ \\2a+2b+2c=94[/tex]
Divide this equation by 2:
[tex]a+b+c=47[/tex]
The sum of all three numbers is 47.
