2) The temperature at 12 noon was 20˚C above zero. If it decreases at the rate of 3˚C per hour till
midnight(12am), at what time would the temperature be 10˚C below zero? Write the
temperature.
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total temperature is 20+10=30celcius
3 celcius per hour so 30/3=10hours
then 10 hours after 12noon=10 pm
3 celcius per hour so 30/3=10hours
then 10 hours after 12noon=10 pm
sanjay02nitin:
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