10. A coolant unit requires the temperature to be reduced by 3 °C every hour. The initial temperature
is 40 °C. What will be the temperature after 15 hours?
"11. Manisha travelled 225 km towards the north and Mitali travelled 156 km towards the south from
the same point. Find the distance between them now.
oh the surface
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Step-by-step explanation:
Time = 15 hours
initial temperature = 40°C
temperature reduced by every hour = 3°C
=Temperature after 15 minutes = rate of reducin*time
=3°C*15 minutes
=45°C
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