Câu 1: GMAT Section 2 Quantitative: Section Two Quantitative Test

What is the value of (A + 3B/7)?(1) 5600A + 2400B = 12,000.(2) 50B - 50 + 250A = 9700 4200A 1900B.

1. A. Statement (1) BY ITSELF is sufficient to answer the question, but statement (2) by itself is not.
2. B. Statement (2) BY ITSELF is sufficient to answer the question, but statement (1) by itself is not.
3. C. Statements (1) and (2) TAKEN TOGETHER are sufficient to answer the question, even though NEITHER statement BY ITSELF is sufficient.
4. D. Either statement BY ITSELF is sufficient to answer the question. — đáp án hiện tại
5. E. Statements (1) and (2) TAKEN TOGETHER are NOT sufficient to answer the question, requiring more data pertaining to the problem.