If the avg of 5 positive temperatures is x degrees Fahrenheit, then the sum of the 3 greatest of these temperatures, in degress is?
OA: 4x
OA: 4x
(1+2+3+4+5)/5=3shibal wrote:If the avg of 5 positive temperatures is x degrees Fahrenheit, then the sum of the 3 greatest of these temperatures, in degress is?
OA: 4x
Sum of three largest is 12
4 x 3 =12 Succeeds.
But is this true in general?
(2 +3 +4 +5 +6)/5=4
Sum of 3 largest is 15
4 x 4 = 16 Fails.
Or is this only unique to the farenheit scale?
If (a +b +c +d +e)/5=x
(a +b +c +d +e) =5x
Let y= sum of largest 3
and z equal sum of smallest 2 numbers
z+y=5x
z +y = 4x +x
z+ y = 4x + (z+y)/5
I mean were are we going with this?
