document.write( "Question 734473: 5 pounds of cashews and 8 pounds of peanuts cost $26.27. Seven pounds of cashews and 4 pounds of peanuts cost $23.89. What is the price of each per pound? \n" ); document.write( "
Algebra.Com's Answer #449015 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 5C+8P=26.27 \n" ); document.write( "7C+4P=23.89 MULTIPLY THIS EQUATION BY -2 & ADD. \n" ); document.write( "-14C-8P=-47.78 \n" ); document.write( "5C+8P=26.27 \n" ); document.write( "------------------- \n" ); document.write( "-9C=-21.51 \n" ); document.write( "C=-21.51/9 \n" ); document.write( "C=$2.39 PER POUND FOR THE CASHEWS. \n" ); document.write( "5*2.39+8P=26.27 \n" ); document.write( "11.95+8P=26.27 \n" ); document.write( "8P=26.27-11.95 \n" ); document.write( "8P=14.32 \n" ); document.write( "P=14.32/8 \n" ); document.write( "P=$1.79 PER POUND FOR THE PEANUTS. \n" ); document.write( "PROOF: \n" ); document.write( "7*2.39+4*1.79=23.89 \n" ); document.write( "16.73+7.16=23.89 \n" ); document.write( "23.89=23.89 \n" ); document.write( " \n" ); document.write( " |