The temperature in a city at 6:00 AM was –4°C. During the day, the temperature rose steadily by a certain number of degrees. By 3:00 PM, the temperature reached +9°C. What was the total rise in temperature during that time?
Show answer & explanation
Correct answer: A
Explanation
Rise in temperature = Final temperature - Initial temperature
= 9 - (-4)
= 9 + 4
= 13°C