To find the number you would start by writing out the equation using x as the number. The equation would be x+2x=21. The first step to solve this equation would be to combine like terms, making the equation 3x=21. Finally, you would divide both sides by three, making your answer x=7.
Profit is total revenue minus total cost. So, the profit for each row of data is: Quantity | Profit 0 | 30 (loss) 1 | 30 2 | 160 3 | 190 4 | 260 5 | 300 6 | 310 7 | 290
The company has to produce 6 quantities to maximize profit.
