document.write( "Question 1057988: Mr. Gray's weekly salary was increased from $400 per week to $500 per week. What is the percent increase? \n" ); document.write( "
Algebra.Com's Answer #672998 by ikleyn(52835)\"\" \"About 
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\n" ); document.write( "Mr. Gray's weekly salary was increased from $400 per week to $500 per week. What is the percent increase?
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\n" ); document.write( "\n" ); document.write( "\"%28%28500-400%29%2F400%29%2A100\" = \"%28100%2F400%29%2A100\" = \"%281%2F4%29%2A100\" = 25%.\r
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\n" ); document.write( "On percentage problems see the lessons in this site \r
\n" ); document.write( "\n" ); document.write( "    - Percentage problems\r
\n" ); document.write( "\n" ); document.write( "    - Percentage word problems (Type 1 problems, Finding the Part)\r
\n" ); document.write( "\n" ); document.write( "    - Percentage word problems (Type 2 problems, Finding the Rate)\r
\n" ); document.write( "\n" ); document.write( "    - Percentage word problems (Type 3 problems, Finding the Base)\r
\n" ); document.write( "\n" ); document.write( "    - More complicated percentage problems\r
\n" ); document.write( "\n" ); document.write( "    - Problems on percentage that lead to unexpected results\r
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