+0  
 
0
206
1
avatar

If $A:B:C = 2:1:4$, what is the value of $(3A + 2B) \div (4C - A)$? Express your answer as a common fraction.

Guest Oct 31, 2017
 #1
avatar+87714 
+1

In the given ratio,  A = 2B   and C  = 4B

 

So  

 

[ 3 (2B) + 2B ]  / [ 4(4B) - 2B ] =

 

[ 8B ] / [ 14 B ]  =

 

8 / 14  =

 

4 / 7

 

 

cool cool cool

CPhill  Oct 31, 2017

15 Online Users

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.