document.write( "Question 624677: in a rock concert 2/7 of spectators purchased Rs 1000 tickets while remaining 15000 purchased Rs 500 tickets How many spectators viewed the concert \n" ); document.write( "
Algebra.Com's Answer #392961 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
in a rock concert 2/7 of spectators purchased Rs 1000 tickets while remaining 15000 purchased Rs 500 tickets How many spectators viewed the concert
\n" ); document.write( ".
\n" ); document.write( "Since 2/7 bought Rs1000 tickets, the remaining purchases 5/7 must have purchased Rs500 tickets.
\n" ); document.write( "Let x = total number of spectators
\n" ); document.write( "then
\n" ); document.write( "(5/7)x = 15000
\n" ); document.write( "multiply both sides by (7/5):
\n" ); document.write( "(7/5)(5/7)x = (7/5)15000
\n" ); document.write( "x = (7/5)15000
\n" ); document.write( "x = (7)3000
\n" ); document.write( "x = 21000 (answer)
\n" ); document.write( "
\n" ); document.write( "
\n" );