Question 827832
w would be a whole number, or an element of the whole numbers.
w = count of weeks


A week has 5 weekdays and 1 Saturday.  
L = how many lawns mowed,
{{{L=(5+2)w}}}, TWO lawns mowed on ONE Saturday;
This is {{{highlight(L=7w)}}} lawns in w weeks.


Five dollars per lawn means
{{{R=5*7w}}}
{{{highlight(R=35w)}}}, R is for revenue