Question

If `a/3 = b/4 = c/7`, then `(a + b + c)/c` = ?

Options

• `1/2`

• `1/7`

• 2

• 7

Answer 1

2

Explanation:

Let `a/3 = b/4 = c/7 = k`. Then a + b + c = 14k and c = 7k, so the ratio is `(14k)/(7k) = 2`.