Answer: there is no answer involving real numbers
Step-by-step explanation:
Answer:
the first one
Step-by-step explanation:
Answer is
5, the third option
The price of third MP3 player is $58.40
Step-by-step explanation:
Given,
Cost of one MP3 palyer = $56
Cost of another MP3 player = $62
Average price of MP3 player = $58.80
Let,
Cost of third MP3 player = x
Average = 

Multiplying both sides by 3

The price of third MP3 player is $58.40
Keywords: average, division
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The equation is:
2/3n + 4 = 7