If a:b:c = 3:4:7, then the ratio (a+b+c):c is equal to	Select:  A) 2:1  B) 14:3  C) 7:2  D) 1:2  E) None
Solution: (a+b+c) = 3+4+7= 
<gadget id="calculator">3+4+7</gadget>
<output>14</output>
14 and   c= 7 Then, (a+b+c):c = 2:1.   2:1nswer: Option 2:1
<result>A</result>
If a:b:c = 3:4:7, then the ratio (a+b+c):c is equal to