Answer:
The symbol it refers to is;
[tex]\leq[/tex]"less than or equal to"
Explanation:
Let x represent Rosa's age.
Then if Rosa is at most 27 years old.
That means Rosa is either equal to 27 years old or less than 27 years.
So we have;
[tex]x\leq27[/tex]Therefore, the symbol it refers to is;
[tex]\leq[/tex]"less than or equal to"
