document.write( "Question 1205965: In a warehouse, 60% of the table lamps were 30 more than 80% of the standing lamps. Given that there were a total of 155 table and standing lamps in the warehouse at first, how many table lamps were left if 30% of them were removed from the warehouse? \n" ); document.write( "
Algebra.Com's Answer #843088 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( " the table lamps : \"x\"
\n" ); document.write( "the standing lamps: \"y\"\r
\n" ); document.write( "\n" ); document.write( "if \"60\"% of the table lamps were 30 more than \"80\"% of the standing lamps, we have\r
\n" ); document.write( "\n" ); document.write( "\"0.60x=0.80y%2B30\"....solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x=0.80y%2F0.60%2B30%2F0.60\"\r
\n" ); document.write( "\n" ); document.write( "\"x=1.33333y+%2B+50\".....eq.1\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " if there were a total of\"+155\" table and standing lamps in the warehouse at first, we have\r
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\n" ); document.write( "\n" ); document.write( "\"x%2By=155\"....eq.2, substitute \"x\" from eq.1\r
\n" ); document.write( "\n" ); document.write( "\"1.33333y+%2B+50%2By=155\"\r
\n" ); document.write( "\n" ); document.write( "\"2.33333y+=155-50\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=105%2F2.33333\"\r
\n" ); document.write( "\n" ); document.write( "\"y=45\"\r
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\n" ); document.write( "\n" ); document.write( "go to\r
\n" ); document.write( "\n" ); document.write( "\"x%2By=155\"....eq.2, substitute\"+y\"\r
\n" ); document.write( "\n" ); document.write( "\"x%2B45=155\"\r
\n" ); document.write( "\n" ); document.write( "\"x=155-45\"\r
\n" ); document.write( "\n" ); document.write( "\"x=110\"\r
\n" ); document.write( "\n" ); document.write( "there were \"110+\"the table lamps\r
\n" ); document.write( "\n" ); document.write( " if \"30\"% of them were removed from the warehouse, it will be\r
\n" ); document.write( "\n" ); document.write( "\"0.30%2A110=33+\"\r
\n" ); document.write( "\n" ); document.write( "so, \"110-33=77\" table lamps are left\r
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