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Basic Mathematics QUESTION #4572
Question 1
The average of $x, y, z$ is $15$. What is $x + y + z$?
  • $15$
  • $30$
  • $45$✔️
  • Cannot determine
Correct Answer Explanation
If average = $15$, then $\frac{x+y+z}{3} = 15$, so $x+y+z = 45$