Question

The temperature fell from 0 degrees to 15 1/2 degrees below 0 in 5 3/4 hours. Wen tried to find the change in temperature per hour.

Answer 1

b

Explanation:

Answer 2

-62/23 degrees per hour

Explanation:

Do this by dividing the total change in temperature (-15 1/2 degrees) by the total elapsed time (5 3/4 hrs):

-31/2 degrees -62/4 degrees Note: convert 31/2 to 62/4

--------------------- = ------------------------ = -62/23 degrees per hour

23/4 hrs 23/4 hrs