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1. |
If 2.5x = 0.02y, then the value of \(\frac{{{\rm{y}} - {\rm{x}}}}{{{\rm{y\;}} + {\rm{\;x}}}}\) is: |
A. | 62/63 |
B. | 62/6.3 |
C. | 620/63 |
D. | 62/630 |
Answer» B. 62/6.3 | |