Answer:15
Step-by-step explanation:
Given
Craftsman sell 10 Jewelry set for $500 each
For each additional set he will decrease the price by $ 25
Suppose he sells n set over 10 set
Earning
Earning 

differentiate to get the maximum value

Equate
to get maximum value



Thus must sell 5 extra set to maximize its earnings.
<span>The mean is a spot between two extremes, though one extreme is worse than the other. It is difficult to find one must have the right tools, and that's why virtue is rare. You don't just find it by wishing it. Aristotle makes the case that the mean is a very real concept which requires one to accurately evaluate both extremes and the range between then find the appropriate action or understanding, the median and aim/pattern actions in that direction. These chapters explain this concept.</span>
In this question, it is given that the base radius is 2 , height is 6 and the value of pi is 3.14 .
And we have to find the volume of the cylinder, and for that, we have to use the following formula

Substituting the values of pi,r and h, we will get

Answer:
i think it's congruent .
Step-by-step explanation: