What is the sum of x and y? Statement I : 15x + 4y = 108 Statement I

1.	What is the sum of x and y? Statement I : 15x + 4y = 108 Statement II : y = 27 – 3.75x
A.	The data in statements I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question.
B.	The data in statements II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question.
C.	Either Statement I or Statement II alone is sufficient to answer the question.
D.	The data in both the statements I and II is not sufficient to answer the question.
E.	The data in both the statements I and II together is necessary to answer the question.
Answer» E. The data in both the statements I and II together is necessary to answer the question.

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What is the sum of x and y? Statement I : 15x + 4y = 108 Statement II : y = 27 – 3.75x

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