1.

If $$\frac{m}{n}{\text{ = }}\frac{4}{3}$$and $$\frac{r}{t}{\text{ = }}\frac{9}{{14}}{\text{,}}$$ &nbsp then the value of $$\frac{{3mr - nt}}{{4nt - 7mr}}{\text{ is}} = {\text{?}}$$

A. $ - {\text{5}}\frac{1}{2}$$
B. $ - \frac{{11}}{{14}}$$
C. $ - 1\frac{1}{4}$$
D. $\frac{{11}}{{14}}$$
Answer» C. $ - 1\frac{1}{4}$$


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