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To get the ratio p:q (for $p\neq q$), one has to add a number to each term of the ratio x : y, the number is1). $\frac{px+qy}{p-q}$2). $\frac{qx-py}{p-q}$3). $\frac{px-qy}{p-q}$4). $\frac{py-qx}{p-q}$ |
Answer» RIGHT ANSWER is $\FRAC{qx-py}{p-q}$ | |