1.

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​

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.

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