The room temperature be rose from $-20^o\ C$ at the rate of $5^o\ C$ every hour. What will be the room temperature after $6$ hours?

Given: The room temperature be rose from $-20^o\ C$ at the rate of $5^o\ C$  every hour.

To do: To find the room temperature after $6$ hours.

Solution:

As given,

Initial temperature$=-20^o\ C$

Rate of the temperature increase$=5^o\ C$ per hour

Temperature increased in $6$ hour$=6\times5=30^o\ C$

Therefore, final temperature of the room$=$Initial temperature$+$temperature increased

$=-20^o\ C+30^o\ C$

$=10^o\ C$

Thus, after $6$ hours room temperature will be $10^o\ C$.

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Updated on: 10-Oct-2022

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