Question 253013
{{{(a+b)/c=k}}}
Express left handside in terms of a.
{{{(a+(3/4)a)/((3/5)a)=k}}}
{{{((7/4)a)/((3/5)a)=k}}}
{{{((7a/4)*(5/3a))=k}}}
{{{35a/12a=k}}}
The a terms cancel to give
{{{35/12=k}}}