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1. |
The average monthly income of x and y is 5050. The average monthly income of y and z is 6250 and the average monthly income of x and z is 5200. The monthly income of x is? |
A. | 4050 |
B. | 3500 |
C. | 4000 |
D. | 5000 |
Answer» D. 5000 | |