1.

If \(\frac{a}{3} = \frac{b}{5} = \frac{c}{7}\), then find the value of \(\frac{{a + b + c}}{b}\)1). 1/52). 1/33). 34). 5

Answer»

We have

$(\FRAC{a}{3} = \frac{b}{5} = \frac{c}{7})$ 

⇒ a = 3b/5, and c = 7b/5

Hence,

$(\frac{{a + b + c}}{b}\frac{{a + b + c}}{b} = \frac{{\frac{3}{5}b + b + \frac{7}{5}b}}{b} = 3)$ 



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