Question

Tyler spends a winter day recording the temperature once every three hours for science class. At 9 am, the temperature was -1.8°F. Between 9am and noon, the temperature rose 5°F. Between noon and 3pm, the temperature dropped 18.1°F. Between 3pm and 6pm, the temperature decreased by 9.9°F. What was the temperature at 6pm?

Answer 1

It was -23.2 degrees at 6pm.

Explanation:

Just simple addition and subtraction!