Question

On January 16, the temperature in Boston was -8 degrees at 4:00 AM and it then began to rise 3 degrees every hour. What was the temperature at 2:00 PM later that day?

Answer 1

22 degrees

Explanation:

The temperature rose for 10 hours between 4 am and 2 pm. At 3 degrees per hour, the rise is ...

(3 degrees/hour)(10 hours) = 30 degrees

Starting from -8 degrees, the temperature rose to ...

-8 +30 = 22 . . . degrees