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prealgebra senior
Problem
On a particular January day, the high temperature in Lincoln, Nebraska, was degrees higher than the low temperature, and the average of the high and low temperatures was . In degrees, what was the low temperature in Lincoln that day?
(A)
(B)
(C)
(D)
Solution
Let be the low temperature. The high temperature is . The average is . Solving for , we get
Final answer
C