- Choice C$$x+y=50---50\ questions$$ $$x\cdot5+y\times2=130---130\ points$$ $$\Rightarrow 5x+2y=130$$
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- Choice C$$x+y=50---50\ questions$$ $$x\cdot5+y\times2=130---130\ points$$ $$\Rightarrow 5x+2y=130$$
## Skills you are tested for:

Was this explanation helpful?

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