document.write( "Question 250851: Shopping at Savers Mart, Lisa buys her children four shirts and three pairs of pants for $85.50. She returns that day and buys three shirts and five pairs of pants for $115.00. What is the price of each shirt and each pair of pants? \n" ); document.write( "
Algebra.Com's Answer #184106 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 4s+3p=85.50 multiply this equation by 3. \n" ); document.write( "3s+5p=115.00 multiply this equation by -4 & add them. \n" ); document.write( "12s+9p=256.50 \n" ); document.write( "-12s-20p=-460 \n" ); document.write( "------------------- \n" ); document.write( "-11p=-203.5 \n" ); document.write( "p=-203.50/-11 \n" ); document.write( "p=$18.50 is the price of each pair of pants. \n" ); document.write( "4s+3*18.50=85.50 \n" ); document.write( "4s+55.50=85.50 \n" ); document.write( "4s=85.50-55.50 \n" ); document.write( "4s=30 \n" ); document.write( "s=30/4 \n" ); document.write( "s=$7.50 is the price of each shirt. \n" ); document.write( "Proof: \n" ); document.write( "3*7.50+5*18.50=115.00 \n" ); document.write( "22.50+92.50=115.00 \n" ); document.write( "115.00=115.00 \n" ); document.write( " |