Answer:
[tex]\frac{x+10}{3}[/tex] is the expression that represents the phrase.
Step-by-step explanation:
Given:
The phrase, "one third the sum of a number and 10."
Let the number be x
∴ The expression will be= [tex]\frac{1}{3}\times (x+10)= \frac{x+10}{3}[/tex]
