On January 22, 1943, the temperature at Spearfish, South Dakota, rose from $-4^{\circ} F$ to $45^{\circ} F$ in two minutes. How many degrees did the temperature rise during those two minutes?
We need to find the temperature rise by adding the temperature at Spearfish. So
$-4+45 = 41^{\circ} F$
The temperature rise is $41^{\circ} F$ in two minutes.
Thursday, May 19, 2016
Beginning Algebra With Applications, Chapter 1, 1.2, Section 1.2, Problem 150
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