What is the radius of a circle whose equation is x2 + y2 + 8x - 6y + 21 = 0? units
1 answer:
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Answer: At x= 25 there is a break even point .
Step-by-step explanation:
Let the number of CDs be x
For the case of iTunes,
Cost of each CD = $12
For the case of Best Buy,
Number of CDs of free of cost = 5
Number of CDs more than 5 = $15
We need to find the "Break even point ":
According to question,
Hence, At x= 25 there is a break even point .