document.write( "Question 167520: 6 pounds of peas and 5 pounds of string beans cost $1.48. At the same time and place, 8 pounds of peas and 7 pounds of string beans cost $2.00. Fine the cost of 1 pound of each. \n" ); document.write( "
Algebra.Com's Answer #123400 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 6P+5B=1.48 MULTIPLY BY 4 \n" ); document.write( "8P+7B=2.00 MULTIPLY BY -3 & ADD \n" ); document.write( "24P+20B=5.92 \n" ); document.write( "-24P-21B=-6.00 \n" ); document.write( "----------------- \n" ); document.write( "-1B=-.08 \n" ); document.write( "B=-.08/-1 \n" ); document.write( "B=$.08 PER POUND FOR THE BEANS. \n" ); document.write( "6P+5*.08=1.48 \n" ); document.write( "6P+.40=1.48 \n" ); document.write( "6P=1.48-.40 \n" ); document.write( "6P=1.08 \n" ); document.write( "P=1.08/6 \n" ); document.write( "P=$.18 PER POUND FOR THE PEAS. \n" ); document.write( "PROOF: \n" ); document.write( "8*.18+7*.08=2.00 \n" ); document.write( "1.44+.56=2.00 \n" ); document.write( "2.00=2.00 \n" ); document.write( " \n" ); document.write( " |