Rosni

Yes....I agree that the number should be at most 30.40 so, the equal sign in the answer is not needed. But if X at most is 30.40, why A is a correct answer? If A. X

Hi guys.. Would you please help me with this question? I found the answer A but the explanation told me that it should be A and B. The average of four positive number is 12.6. If the average of the first two numbers is 10 and one of the other two numbers is X, which of the following must also be true? A. x B. x