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college algebra

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From 1988 to 2008 average annual tuition and fees at public colleges increased from $525 to $5500. Calculate the percent change over this time period.

How do I set this up and solve it?

Thanks for your help:-)

  • college algebra -

    % change is the increase divided by the initial value.

    For example, changing from 10 to 11 is an increase of 11-10=1, so that's a 1/10=10% change.

    (5500-525)/525 = 9.476 = 947.6% increase

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