SOLUTION: A heating system can increase the temperature of a classroom by 3 degrees Celsius per hour. If the class room temperature is 15 degrees Celsius when the timer starts the heating sy

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Question 370611: A heating system can increase the temperature of a classroom by 3 degrees Celsius per hour. If the class room temperature is 15 degrees Celsius when the timer starts the heating system during the night, which of the following equations provides a mathematical model for the temperature after t hours.
A.Temperature= 3t-15
B. Temperature= 3t+15
C. 3t/15
D. 3t times 15

/= fraction
Found 2 solutions by mananth, Alan3354:
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
B. Temperature= 3t+15
initial temerature 15
2 deg/hr
after t hours it will 3t

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
3t + 15, t in hours, temperature in ºC