Damazo T. answered 11/08/14
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Math Tutoring by 15 year veteran math teacher/Real cheap! :)
Hello, Angie...
When you do this problem try to imagine the number line. And the distance from zero. In this case, -4 is 4 units away from zero going to your left , and 54 is 54 units away from zero going to your right. Now, distances cannot be negative. So, the change in temperature is 54+4= 58 degrees.
That at should be the answer. Take care. And please rate my answer :)
D. Y. Taylor