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Suppose the band sells erasers for $2 per package and pencils for $5 per package. The band sells 220 packages in all and earns a total of $695. Write a system of equations to find the number of teacher type of package sold

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SonOfZeus
Let e=erasers and p=pencils. So we know the total amount of erasers plus pencils sold is equal to 220. Therefore,

[tex]e + p = 220[/tex]
We also know the cost of erasers and pencils totaled to $695 in earnings and so:

[tex]2e + 5p = 695[/tex]
and so those are your two equations.

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