The temperature at midnight was 2°C below zero. If it increases at the rate of 2°C per hour, find the temperature at 4 a.m.

2 thoughts on “The temperature at midnight was 2°C below zero. If it increases at the rate of 2°C per hour, find the temperature at 4 a.m.”

1. Answer:

   10 degrees Celcius

   Step-by-step explanation:

   • Midnight=12:00 a.m.

   • Temperature at 12.00 a.m. = 2 degrees Celcius.

   • Temperature at 4:00 a.m. = to find.

   As the temperature increases to 2 degrees Celcius every 1 hour, it will increase by 2*4 degrees Celcius every 4 hours. So, it will increase by 8 degrees Celcius at 4:00 a.m.

   Adding 2 degrees (the temperature at midnight) and 8 degrees (the temperature increased after 4 hours), we get 10 degrees Celcius.

   Therefore, the temperature at 4:00 a.m. is 10 degrees Celcius.

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2. REQUIRED ANSWER:–

   6°C

   Step-By-Step Explanation:–

   Temperature at midnight= 2°C below zero= –2°C

   Temperature change rate= +2°C per hour

   Time = Midnight to 4 a.m.= 4 hours

   Total change in temperature

   = Temperature change rate × Time

   = +2°C× 4 hours

   = +8°C

   Therefore, Final Temperature (at 4 a.m.) = Original temperature + Temperature change

   = –2°C+ (+8°C)

   = –2°C + 8°C

   = 6° C

   Therefore, the temperature at 4 a.m. is 6°C.

   Hope it helps

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