
Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion 
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July 5th, 2018, 07:32 PM  #1 
Senior Member Joined: Aug 2014 From: India Posts: 310 Thanks: 1  List out problems where cow and grass concept works?
Today I mug up cow and grass concept. But where I can use this concept? 
July 5th, 2018, 07:44 PM  #2 
Senior Member Joined: Aug 2012 Posts: 2,007 Thanks: 574 
A cow is a machine that inputs water, grass, and sunlight; and outputs beef. How does it do that? Could we build such a machine? Think of the possibilities. Cheeseburgers for everyone but no cows need to be slaughtered. Of course then no cows would need to be raised. Which is worse? To be bred only for food? Or to not even be bred at all and denied any chance to live? Well, this has been an interesting conversation with myself. 
July 5th, 2018, 07:53 PM  #3 
Senior Member Joined: Aug 2014 From: India Posts: 310 Thanks: 1  
July 5th, 2018, 09:27 PM  #4 
Senior Member Joined: Aug 2012 Posts: 2,007 Thanks: 574  
July 6th, 2018, 03:03 AM  #5 
Math Team Joined: Jan 2015 From: Alabama Posts: 3,261 Thanks: 894 
I'm sorry, could you please tell us exactly what you mean by "cow and grass concept" and "barber and haircut problems"?

July 6th, 2018, 04:38 AM  #6 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 13,122 Thanks: 914  
July 6th, 2018, 04:41 AM  #7  
Senior Member Joined: Apr 2014 From: Glasgow Posts: 2,127 Thanks: 716 Math Focus: Physics, mathematical modelling, numerical and computational solutions  Quote:
There's many, many problems that can be worked out using that kind of mathematics, because it's quite a fundamental. Here's some from the top of my head: 1. Duration and rate to manufacture goods based on supplies 2. Logistics: transportation of goods when using different vehicles or fuels 3. Equilibrium population of bacteria in petri dish (growth rates versus death rate) 4. Equilibrium size of plants or fungi given certain sets of nutrients/water/sunlight 5. Sustainable population of individuals in a settlements based on imports/exports 6. Duration to complete tasks based on work rate/staff/tools/wages/etc. 7. Economics: ROI Note, however, that the problem you dealt with (grass consumption/growth) was a linear problem, but many applications are nonlinear; they can be quadratic, polynomial, exponential, logarithmic, power law, etc. Last edited by Benit13; July 6th, 2018 at 04:49 AM.  
July 8th, 2018, 10:22 PM  #8 
Senior Member Joined: Aug 2014 From: India Posts: 310 Thanks: 1  

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