How Many FireBrigades need to extinguish fire ?

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Hello

 

This My Problem if anybody can help me to solve it

I will so pleased :

 

We have some buildings in fire with some parameter :

1) Fieryness -> that is a number between 1-3

2) Fire Transmission Rate -> that is 1.0 or 1.5

3) Volume of building

4) Area of building

 

and also we have 10 firebrigades who must extinguish buildings. They can

pour 1000 litre water per minute.

 

I need a formula or function which tell me :

How many Firebrigade will need to extinguish Building X (with it's parameter) ??

And How much time it lasts to extinguish Building X (with it's parameter) by n number of FireBrigad(s)??

 

Thank You So Much

Best Regards

Mahdi Heidari