If the Average (mean ) of 3 positive temperatures is x degrees fahrenheit, then the sum of the 3 greatest of these temperatures, in degrees Fahrenheit, could be
Answers.
A) 6x B) 3x C) 5x/3 D) 3x/2 E) 3x/5
Let the 5 numbers be 1,2,3,4(since no restrictions are given). There mean is 2.5 (x).   Now the sum of greatest three would be 2+3+4= 
<gadget id="calculator">2+3+4</gadget>
<output>9</output>
9   so the answer has to be 3x....that is option 3x
<result>B</result>
If the Average (mean ) of 3 positive temperatures is x degrees fahrenheit, then the sum of the 3 greatest of these temperatures, in degrees Fahrenheit, could be