SOLUTION: A worker’s salary was reduced by x%. Find the percent by which the new salary would have to be raised to bring it back to the original amount.

Question 1133760: A worker’s salary was reduced by x%. Find the percent by which the new salary would have to be raised to bring it back to the original amount.
Answer by htmentor(1343) (Show Source): You can put this solution on YOUR website!
If his salary is reduced by x%, his new salary is (100-x)/100 of his original salary, expressed as a fraction.
To get back the original amount, we need to multiply by 100/(100-x).
For example, if his salary is reduced by 20%, the new salary is 0.8 times the original salary.
So we need to multiply by 1/0.8 = 1.25, or 125%.
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