Question

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Which of the following situations cannot be modeled with the equation 2x + y = 0?






A.


It takes 2 parts of chemical A to neutralize 1 part of chemical B.




B.


Tony must pull
twice as hard as Ralph just to sit still in a match of tug-o-war.



C.


If Sophie earns twice as many points as penalties, she will break even.




D.


Tom’s Saturday shift was twice as long as his 2 hour Sunday shift.