document.write( "Question 892127:
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Algebra.Com's Answer #540306 by dkppathak(439)\"\" \"About 
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A woman sold some bags at average cost of $52.when She sold another 4 more bags at average cost of $72, the average cost of all bags become $57. How many bags she sold all?
\n" ); document.write( "let she sell X bags
\n" ); document.write( "cost by selling x bags =52x
\n" ); document.write( "another 4 bags at average of $72
\n" ); document.write( "cost for 4 bags will be =4x72= $288
\n" ); document.write( " total number of bags sell will be x+4
\n" ); document.write( "total cost of sell for 56 bags at average of $57=(x+4)x57
\n" ); document.write( "as per given conditions
\n" ); document.write( "52X+288=(x+4).57
\n" ); document.write( "52x+288 =57x +228
\n" ); document.write( "52x-57x=228-288
\n" ); document.write( "-5x=-60
\n" ); document.write( "x=12 \n" ); document.write( "
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