SOLUTION: 2008, 38.​% of all tax filers paid no income taxes. This percentage is 13.1​% more than the percentage of filers in 1999 who paid no income taxes. Find the percentage of tax fi

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: 2008, 38.​% of all tax filers paid no income taxes. This percentage is 13.1​% more than the percentage of filers in 1999 who paid no income taxes. Find the percentage of tax fi      Log On


   



Question 1178666: 2008, 38.​% of all tax filers paid no income taxes. This percentage is 13.1​% more than the percentage of filers in 1999 who paid no income taxes. Find the percentage of tax filers who paid no income taxes in 1999.
Answer by greenestamps(13216) About Me  (Show Source):
You can put this solution on YOUR website!


An increase of 13.1% means the old number was multiplied by 1+0.131 = 1.131.

If x is the percentage who paid no income taxes in 1999, then

x%281.131%29+=+0.38
x+=+0.38%2F1.131

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