The total temperature measured by 3 thermometers was −15 degrees Fahrenheit. What was the average temperature measured by the 3 thermometers? 36 degrees Fahrenheit −36 degrees Fahrenheit 5 degrees Fahrenheit −5 degrees Fahrenheit
-5 degrees Fahrenheit, total means they were added together. That means that the first step to finding an average was done. We divide by 3 to do the 2nd and final step of finding an average