Skip to content / Đến nội dung
ThichHocToan.com

AMC10 2027 - Self-practice Set 1 Question 1

AMC10 · AMC10 2027 - Self-practice Set 1

Question 1

The numbers $3,5,7,a,b$ have arithmetic mean $15$. What is the mean of $a,b$?
  1. $0$
  2. $15$
  3. $30$
  4. $45$
  5. $60$