Can someone please help me with this question? I would really appreciate it. Thank you in advance!

Question

anonymous · Answer

A certain mountain has an evelution of 19,542 feet. I 1912, the glacier on this peak covered 9 acres. By 2003 this glacier had melted to only 1  acre. 
(a) Assume that this glacier melted at a constant rate each year. Find the yearly rate. 
(b) Use your anser from part (a) to write a linerar equation that gives the acreage A of this glacier t year past 1912.

campbell_st · Answer

so the time frame is 85 year... 

so its reduced by 1 acre in 85 years... 

write this as a  acres/year

anonymous · Answer

$$\frac{ 85 }{ 1}$$ like this??? @campbell_st