you have a subscription to an online magazine that allows you to view 25 articles from the magazine's archives. you are charged an additional fee for each article after the first 25 articles viewed. after viewing 28 archived articles, you paid a total of $34.80. after viewing 30 archived articles, you paid a total of $40.70.
a. what is the cost per archived article after the first 25 articles viewed?
b. what is the cost of the magazine subscription?

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