Question

If the compound ratio of 3:4 and 5:3 is 30:x, then find the value of 'x'.​

Answer 1

$\frac{3}{4} + \frac{5}{3} = \frac{30}{x}$

$\frac{9 + 20}{12} = \frac{30}{x}$

$29 \times x = 30 \times 12 = 360$

$x = \frac{360}{29}$

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