A certain mountain has a evaluation of 19,311 feet. In 1911, the glacier on this peak covered 4 acres. By…

A certain mountain has a evaluation of 19,311 feet. In 1911, the glacier on this peak covered 4 acres. By 2000 this glacier had melted to only 1 acre. The yearly rate is_acres/year? What is the equation that gives the acreage of the glacier t years after 1911? A=

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