algebra question

[Jlynn]

a certain mountain has elevation of 19214 in 1913 the glacier on the peak covered 10 acres and by 2004 the glacier melted to only 1 acre.
1) what is the yearly rate of change
2)use the answer to write a linear equation that gives the acreage A of this glacier t year past 1913

 

[stapel]

a certain mountain has elevation of 19214 in 1913 the glacier on the peak covered 10 acres and by 2004 the glacier melted to only 1 acre.
1) what is the yearly rate of change
2)use the answer to write a linear equation that gives the acreage A of this glacier t year past 1913

"Yearly rate of change" implies an annual percentage change. But "a linear equation" requires that the amount of change be a fixed value, rather than a percentage of the previous year's amount.

In other words, as written, this exercise does not appear to make (mathematical) sense.

What topic(s) has your class recently been studying? Maybe we can figure out the book's intended meaning from that. When you reply, please include a clear listing of your work so far. Thank you!