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 Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion

 April 14th, 2015, 03:15 AM #1 Newbie     Joined: Feb 2014 Posts: 15 Thanks: 0 relationship operator Hi there, I have come across a notation that I cannot break, I hope you might help me The notation is Pg:Pcr:Pm=1:S:1-s I know that they are that one term is directly proportional to other how would I write in other way, maybe more meaningful?
 April 14th, 2015, 08:25 AM #2 Senior Member   Joined: Apr 2014 From: Glasgow Posts: 2,127 Thanks: 716 Math Focus: Physics, mathematical modelling, numerical and computational solutions It looks to me like a ratio $\displaystyle P_g : P_{cr} : P_m = 1 : S : 1-S$ The total = $\displaystyle 1 + S + (1-S) = 2$ So let's say, just for example, that you have £200 to share among $\displaystyle P_g$, $\displaystyle P_{cr}$ and $\displaystyle P_m$. In this case: $\displaystyle P_g$ gets £100 $\displaystyle P_{cr}$ gets some amount between 0 and £100 depending on what $\displaystyle S$ is. $\displaystyle P_m$ gets the rest. Note that this is assuming $\displaystyle S$ is less than 1 so that $\displaystyle 1-S$ is positive. It depends on the situation you are looking at.

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