Question

PLEASE HELP!! FIND THE RATIO a:b if it is given that..

$\frac{a-2b}{a+2b} =\frac{1}{2}$

Answer 1

$\frac{a - 2b}{a + 2b} = \frac{1}{2} \\ = > 2(a - 2b) = a + 2b \\ = > 2a - 4b = a + 2b \\ = > 2a - a = 2b + 4b \\ = > a = 6b \\ = > \frac{a}{b} = 6$

Hence a:b = 6:1