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Lexington High School has an annual growth rate of . Three years ago there were students at the school.

  1. How many students are there now?

    What is the multiplier? What is the initial value? Since you have information about years ago, what value of represents now?

  2. How many students were there years ago?

    years ago is years before there were students. When were there students? What would equal then?

  3. How many students will there be years from now?

    Look back at the equation you used in part (a). What did the represent?
    How can you represent years from now in that equation?