问个单利复利计算题目

On a certain date, Hannah invested $5,000 at x percent simple annual interest and a different amount at y percent simple annual interest.  What amount did Hannah invest at y percent simple annual interest?

(1)   The total amount of interest earned by Hannah’s due investments in one year was $900.

(2)             Hannah invested the $5,000 at 6 percent simple annual interest.

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.

                                                                                                                                                                        Answer

我觉得c啊答案e

.