document.write( "Question 398858: Peanuts cost $0.80 a pound, cashews $1.50 a pound, anf alnuts $1.50 a pound. A store clerk needs to make 6 pound of mixed nuts using these three types so the cost is $6.90. If she wants to use 3 times as much peanuts as cashews, find how much of each type she should use. \n" ); document.write( "
Algebra.Com's Answer #282525 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! .80P+1.50C+1.50A=6*6.90 \n" ); document.write( "P=3C \n" ); document.write( "A=C \n" ); document.write( ".80(3C)+1.50C+1.50C=41.40 \n" ); document.write( "2.4C+3C=41.40 \n" ); document.write( "5.4C=41.40 \n" ); document.write( "C=41.40/5.4 \n" ); document.write( "C=7.67 POUNDS OF CASHEWS & ALNUTS. \n" ); document.write( "P=3*7.67=23 POUNDS OF PEANUTS. \n" ); document.write( "PROOF: \n" ); document.write( ".80*23+1.5*7.67+1.5*7.67=6*6.90 \n" ); document.write( "18.40+11.5+11.5=41.40 \n" ); document.write( "41.40=41.40 \n" ); document.write( " |