The answer is 47.5 feet. Hope I helped!
first step is to subtract 21 from both sides
2m+21-21=3-21
2m=-18
2m/2 and -18/2
m=-9
So the final answer is m=-9 (negative nine equals m)
43% of 166 is 71.38 so it would be 71 to the nearest whole number!
Answer:

Hope this helps at all. :)
8m+24-20+m= 9m+4. "9m+4" is the answer