Suppose a storm blows into the northern United States. The temperature drops from zero degrees Celsius to negative twenty-one degrees Celsius in 7 hours. On average, how much did the temperature change in degrees Celsius per hour?

Question

anonymous · Answer

avg = change/time

hartnn · Answer

the change in temperature will be 0-(-21)=21 degrees celsius
this change happened in 7 hours...so the change happening in 1 hour will be 21/7..

anonymous · Answer

i think the answer is -3 but correct me if im mistaken

hartnn · Answer

you're correct :)