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A wireless phone plan costs eric $35 for a month of service during which he sent 450 text messages.if he was charged a fixed fee of 12.50,how much did he pay per text

Respuesta :

Answer: Eric paid $0.05 or 5 cents per text.

We have

Cost of wireless phone plan           $35

Fixed charges                                   $12.50

Cost of the text messages              [tex]22.50 (35 -12.50)[/tex]

We need to deduct the Fixed charges, because Eric would have had to pay those charges even if he didn't send one text messages.

So, the cost per text messages is [tex]\frac{22.50}{450} = 0.05[/tex]


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