Question 750052
Six days...  Bought 6x kg of beef.  2% of 6x kg was taken home.  That was 15 kg.


{{{0.02*6x=15}}} 
{{{x=15/(6*2*0.01)}}}
{{{x=15/(12*0.01)=5/(4*0.01)=(5/4)*100=highlight(125)}}} kg.