On a given morning the temperature was 81°F. The temperature dropped 9°F and then rose 5°F. How much does the temperature need to rise or fall to return to the initial temperature of 81°F?

1. Rise 4°
2. Rise 9° Rise
3. Fall 4°
4. Fall 5°

1 answer

To return to the initial temperature of 81°F, the temperature needs to rise by 4°F.

Therefore, the answer is:

1. Rise 4°