document.write( "Question 855506: linda buys a pair of trainers. She says, \"i bought this pair of trainers when there was 20% off the normal price. I paid £18 for them.\" What was the normal price of the trainers? \n" ); document.write( "
Algebra.Com's Answer #515414 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
(1-.20)x=18.00
\n" ); document.write( ".80x=18.00
\n" ); document.write( "x=18.00/.80
\n" ); document.write( "x=$22.50 was the pre discount price.
\n" ); document.write( "Proof:
\n" ); document.write( ".80*22.50=18.018.00=18.00 \n" ); document.write( "
\n" );