The temperature is dropping throughout the day as a cold front comes in and city a the temperature is changing by -5° per hour and then city be the temperature is changing by -3° per hour if the temperature in Bossier City start at 70° which city is warmer and what is the difference in the temperature after five hours?
A. City B is warmer by 10°.
B. City B is warmer by 2°.
C. City is warmer by 2°.
D. City AA is warmer by 10°.
In City A, the temperature is changing by -5° per hour. After 5 hours, the temperature in City A would be 70 - (5 * 5) = 45°.
In City B, the temperature is changing by -3° per hour. After 5 hours, the temperature in City B would be 70 - (3 * 5) = 55°.
Therefore, City B is warmer by 55 - 45 = 10°.
The correct answer is:
A. City B is warmer by 10°.