Question

If a = 3b = 5c, then what isa.b : c?

Answer 1

Answer:

$a = 3b = 5c = \alpha \\ \\ a = \alpha \\ b = \frac{ \alpha }{3} \\ c = \frac{ \alpha }{5}$

a : b : c = 1 : 1/3 : 1/5