Answer:
Put 4 in the place of x then you'll get
25
Step-by-step explanation:
Subtract 15 from both sides then divide by 3.
Arange the numbers in ascending order
14,18,20,28,36,58,71
You will see that the median of these data set is 28. So when you multiple it by 18, the answer will be 504.
Therefore, the answer is B. 504
