Over a period of 12 hours the temperature dropped 36oF. What was the average change in temperature in one hour?

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.