GMAT Test Prep: DS-81712470 GMAT Data Sufficiency

A certain list consists of 3 different numbers. Does the median of the 3 numbers equal the average (arithmetic mean) of the 3 numbers?

(1)The range of the 3 numbers is equal to twice the difference between the greatest number and the median.

(2)The sum of the 3 numbers is equal to 3 times one of the numbers.
Select one of the following answer choices