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Foam fingers sold for $5. Spirit bracelets for $4. You sold 40 more foam fingers than bracelets and earned $965. Write a system of equations to describe this situation.

Solve this system using as least 2 different methods. Explain each method.

  • Algebra -

    Let F and B be the two variables: the number of each that were sold.

    Your sytemn of equations is
    F - B = 40
    5F + 4B = 965

    Now use what you have learned to solve them. Try substitution first.

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