SOLUTION: The high temperatures on the first six days of January were -4 degrees, 6 degrees , 1 degree, 11 degrees, 7 degrees, and -2 degrees. What must be the high temperature on January 7t

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Question 1017778: The high temperatures on the first six days of January were -4 degrees, 6 degrees , 1 degree, 11 degrees, 7 degrees, and -2 degrees. What must be the high temperature on January 7th in order for the first week of January to have an average high temperature greater than five?
Thank you!
Found 2 solutions by Cromlix, MathTherapy:
Answer by Cromlix(4381)   (Show Source): You can put this solution on YOUR website!
Hi there,
Total: -4 degrees, 6 degrees , 1 degree,
11 degrees, 7 degrees, and -2 degrees.
= 21/6 = 3.5 Average
For 7 days to have an average >5
the total would require to be 36
the seventh day would require to be
36 - 21 = 15 degrees.
Hope this helps :-)
Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

The high temperatures on the first six days of January were -4 degrees, 6 degrees , 1 degree, 11 degrees, 7 degrees, and -2 degrees. What must be the high temperature on January 7th in order for the first week of January to have an average high temperature greater than five?
Thank you!
High temperature:  

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