Answer:
12
Step-by-step explanation:
Let x represent the number of sales each man had.
For Salesman A, he earns $65 per sale so,65x.
For Salesman B, he earns $40 per sale so, 40x. We also add to this his weekly salary of $300; this gives us 40x+300.
65x = 40x+300
65x-40x = 40x+300-40x
25x = 300
25x/25 = 300/25
x = 12