Answer:
0.1875
Step-by-step explanation: 1/4 of 3/4 = 0.1875
Answer:
The maximum cost is 41 dollars per necklace.
Step-by-step explanation:
The average cost in dollars/necklace is given by :
.....(1)
Where
x is the number of necklaces that are created
To maximize the cost, find the value of x by putting dC/dx = 0

Now put the value of x = 7 in equation (1).

Hence, the maximum cost is 41 dollars per necklace.
Answer:
=
Step-by-step explanation:
It increases the mean value of the prizes.