Given
The total cost (in dollars) for a company to manufacture and sell items per week is C = 70x + 20, whereas the revenue brought in by selling all æ items is R = 106x -0.4x
Answer
Profit - Revenue - Cost.
3002 = 106x-0.4 x- 70x -20
3002+20 =98.96 x
x= 3022/98.96 = 30.54