Question 46028
One maid = 3x
Another maid = x
EQUATION:
{{{1/x+1/3x=1/3}}}
{{{(3x)+(x)=(x)(3x)/(3)}}}
{{{4x=3x^2/3}}}
{{{12x=3x^2}}}
{{{x^2-4x=0}}}
x=4
4(3)=12
Hence, ot would take her 12 hours to clean the house alone.
Paul.