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Question Number 21013 by aplus last updated on 10/Sep/17

Commented by aplus last updated on 10/Sep/17

$$\mathrm{hhelp}\mathrm{guyselp}\mathrm{guys}$$

Answered by Tinkutara last updated on 10/Sep/17

$$n(P\cap C)=x,n\left(P\right)=3x,n\left(C\right)=6x$$$$n(P-C)=2x,n(C-P)=5x$$$$\Rightarrow 2x+x+5x=40\Rightarrow x=5$$$$Onlyphysics=2x=10$$

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