Samantha, Wilbert and Zahir have ages in ratio of 7:8:9. Zahir is 8 years older than Samantha. What are their ages?
2 answers:
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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.
