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

Answer:

-62/23 degrees per hour

Step-by-step 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