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the temperature at 12 noon was 10°C above zero If it decreases at the rate of 2°C per hour until midnight at what time would the temperature be 8°C below zero? what would be the temperature at midnight |
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Answer» Answer:9 pm Step-by-step explanation:As it decreases by 2 degree PER hour the temp now is 10 degree we NEED -8 degree as final so the temperature needed to decrease is 18 DEGREES. So 2 degree per hour means you need 9 HOURS to decrease 18 degrees. So 12 noon +9 hours gives you 9pm. Hope your doubt is cleared. Thank you.
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