# Algebra

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A mountain has an elevation or 19,389 feetin 1918, the glacier at the peak covered 4 acres, by 2003 this glacier had melted to 1 acre. What was the yearly rate of change. What is the equation that gives the acreage t years after 1918

• Algebra -

The yearly rate of change

total amount of change divided by the number of years between 2003 and 1918.

acreage = the yearly rate(that you calculated) times t.

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