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 = [tex]\frac{Sum\ of\ costs}{Number\ of\ items}[/tex]
[tex]{58.80}=\frac{56+62+x}{3}[/tex]
Multiplying both sides by 3
[tex]3*{58.80}=\frac{56+62+x}{3}*3\\176.40=118+x\\176.40-118=x\\58.40=x\\x=58.40[/tex]
The price of third MP3 player is $58.40
Keywords: average, division
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