Question 1140403
<pre>
A    :   B   :   C
1/2  :  5/4  :  2/3


Multiply all by 12.


6    :   15   :   8
</pre>


The total parts by volume from the ratio done that way is 29.


Liters of A, B, C, to one decimal place:
{{{A=(6/29)25=5.2}}}
{{{B=(15/29)25=12.9}}}
{{{C=(8/29)25=6.9}}}