Question

if a = 2/3b, b = 2/3c and c=2/3d,what is a/d?​

Answer 1

Answer:

Given

$\frac{a}{b} = \frac{b}{c} = \frac{c}{d} = \frac{2}{3}$

Multiply all three

$\frac{a}{b} \times \frac{b}{c} \times \frac{c}{d} = \frac{2}{3} \times \frac{2}{3} \times \frac{2}{3} \\ \\ \frac{a}{d} = \frac{8}{27}$