Step-by-step explanation:
The answer is in the picture
20 multiplied (times) 4 is equal to 80 c:
Add 31 to both sides.
<span><span><span><span>3x</span>−31</span>+31</span>=<span>76+31
</span></span><span><span>3x</span>=107
</span>
Divide both sides by 3.
<span><span><span><span><span><span>3x/</span>3</span></span></span></span>=<span><span><span>107/3
</span></span></span></span><span>x=<span></span></span>
Answer:
Step-by-step explanation:
Given
Cost Price
Price
Revenue generated
where x=no of units
To get maxima and minima differentiate R(x)
maximum Revenue
(b)Profit=Revenue - cost
differentiate Profit to get maximum value
maximum Profit
(c)Now company decided to tax the company $ 55 for each set
Profit
differentiate Profit to get maximum value
company should charge 207.5 $ for each set