The temperature of a liquid decreases steadily over several hours. If you calculate the average temperature change per hour, will your answer be positive or negative? Explain using the sign rules of multiplication or division.

Question

tkhunny · Answer

Is a decrease positive or negative?

anonymous · Answer

negative

tkhunny · Answer

Is there ANYTHING about this problem that suggests an increase of any kind?

anonymous · Answer

i dont know

tkhunny · Answer

Well, then you had better read the problem statement again.  When you can answer that question, you'll be nearly done.