Question

the temperature at 12 noon was 10 degree above zero. If it increases 2 degrees per hour until midnight what time would the temperature reach 8 degrees below zero? What would be the time at midnight

plzz answer in step by step​

Answer 1

Answer:

Change in temperature = 10 - ( -8 ) = 18°C. Rate of decrease = 2° per hour. Time = 18 / 2 = 9 hours. So, the time at which temperature goes 8°C below 0 is 9:00 PM.