document.write( "Question 152118: Amy paid 87.24 for a pair of running shoes during a 30% sale. What was the regular price? \n" ); document.write( "
Algebra.Com's Answer #111814 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
Amy paid 87.24 for a pair of running shoes during a 30% sale. What was the regular price?
\n" ); document.write( ".
\n" ); document.write( "Let x = regular price of shoes
\n" ); document.write( ".
\n" ); document.write( "x - .30x = 87.24
\n" ); document.write( "x(1 - .30) = 87.24
\n" ); document.write( "x(.70) = 87.24
\n" ); document.write( "x = 87.24/.70
\n" ); document.write( "x = $124.63
\n" ); document.write( "
\n" );