## Adventure Play sells an mp3 player for $18.00 and charges $3.25 per song. King Music sells a player for $23.00 and charges $2.00 per song. F

Question

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## Answers ( No )

Answer: 4Explanation:Translate the english language to mathematical (algebraic) language.

This implies to define the variables and translates the statements into equations.

1) Adventure

Play sells an mp3 player for $18.00 and charges $3.25 per song.

Cost = price of the mp3 player + price each song * number of songs

Variables:

number of songs: n

price each son: $3.25

price of the mp3 player: $ 18.00

Cost: c(n), this means that the cost is a function of n.

c(n) = 18 + 3.25n

2) King

Music sells a player for $23.00 and charges $2.00 per song. For how many

songs will the cost be the same?

Using the same procedure used for Adventure Play case:

c(n) = 23 + 2n

3) Equal cost =>

18 + 3.25n = 23 + 2n

=> 3.25n – 2n = 23 – 18

=> 1.25n = 5

=> n = 5 / 1.25

=> n = 4

Answer: the cost will be the same for 4 songs.

Answer:4 songs

Step-by-step explanation: