RoseG012 RoseG012

28-10-2018
Mathematics

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

[tex]\frac{a-2b}{a+2b} =\frac{1}{2}[/tex]

Respuesta :

28-10-2018

[tex] \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[/tex]

Hence a:b = 6:1

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