Technical Problems
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Sir since we took point B
We assumed the linear equations to be based on materials and labour..
But what if it was point C?
Would we take the linear equation based on demand and materials?
Would that give the same result?
If it was point C, then yes you would solve the equations for demand and for materials.
No – it would not give the same result. Just look at the graph and you can see immediately that the values of E and S will be completely different!
kindly mention the reason to use 2.5 for equation 3 @ 09:20
As I do explain in the lectures, it is so as to end up with the same number of S’s in both equations.
However, as I also explain, there are many ways of solving simultaneous equations (all, obviously, giving the same end result – it doesn’t matter which way you do it in the exam, and so if the way you were taught at school was different then by all means do it that way.