Given:
Salesman A earn = 65 per sale.
Salesman B earn = 40 per sales and 300weekly salary.
Salesman C earn = 900 weekly salary
Let "x" represent the number of sales each man
Salesman A earn is:
Salesman B earn is:
So total sales is 12 then.
S=0 For Zero week
For S=1
For s=10