document.write( "Question 1096821: Find last​ year's salary​ if, after a 4 %4% pay​ raise, this​ year's salary is $ 34 comma 840$34,840. \n" ); document.write( "
Algebra.Com's Answer #711210 by Boreal(15235)\"\" \"About 
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P=Po(1+r)^n is general formula for interest. P is new salary, Po the beginning salary.
\n" ); document.write( "34,840=Po(1+.04); the new salary after a raise of the old salary for 1 year.
\n" ); document.write( "1.04Po=34840
\n" ); document.write( "Po=$33500, initial salary.
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