If x: y = 7 : 5, then what is the value of (5x - 2y) : (3x + 2y)?
Correct Answer: Description for Correct answer:
Given,\( \Large \frac{x}{y}=\frac{7}{5} \)
\( \Large \frac{5x-2y}{3x+2y}=\frac{(5\times7-2\times5)}{(3\times7+2\times5)}=\frac{35-10}{21+10}=\frac{25}{31} \)
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