On Saturday morning the temperature was 76°F. The temperature dropped 9°F and then rose 13°F. How much does the temperature need to rise or fall to return to the initial temperature of 76°F?

Question

(1 point)
Responses

Fall 13°F
Fall 13°F

Rise 4°F
Rise 4°F

Fall 4°F
Fall 4°F

Rise 5°F

Answer 1

Let's calculate the changes in temperature step by step.

1. Start with the initial temperature: 76°F.
2. Temperature drops by 9°F:
   \( 76°F - 9°F = 67°F \)
3. Temperature rises by 13°F:
   \( 67°F + 13°F = 80°F \)

Now, we need to determine how much the temperature must change to return to the initial temperature of 76°F.

Starting from 80°F, we need to fall back to 76°F: \( 80°F - 76°F = 4°F \)

Therefore, the temperature needs to fall 4°F to return to the initial temperature of 76°F.

The correct response is: Fall 4°F