Question

At 6:00 a.m., the outside temperature was –14.4⁰. By noon, the outside temperature had dropped 8.1⁰. What was the outside temperature at noon? 6.3⁰ –6.3⁰ 22.5⁰ –22.5⁰

Answer 1

-14.4 - 8.1 = - 22.5

The outside temperature at noon is - 22.5 degrees

Answer 2

The answer is -22.5. All you do is subtract 8.1 from -14.4. It is really easy
 -14.4
-  8.1
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-22.5