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In 1904, a dictionary costs 30 cents. Since then the cost of a dictionary has risen an average 6 cents per year. Write a linear equation to find the cost (C) of a dictionary (y) years after 2004.
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In 1904, a dictionary costs 30 cents. Since then the cost of a dictionary has risen an average 6 cents per year.

Write a linear equation to find the cost (C) of a dictionary (y) years after 2004.

User Darnir
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4 votes
200×.06=12+30=12.30
User Yosra
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The linear equation could be y=6x+30 where x represents the number of years since 1904. there fore to find the dictionary after 2004 then you woud make x=100 then you can solve for y which would be the cost of the dictionary in cents.

User Jcruz
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