document.write( "Question 18163: Susan wants to mix 10lbs of virginia peanuts that cost $3.50 a pound with spanish peanuts that cost $3.00 a pound to obtain a mixture that cost $3.40 a pound. How many pounds of spanish peanuts should she use? \n" ); document.write( "
Algebra.Com's Answer #10100 by kapilsinghi(68)\"\" \"About 
You can put this solution on YOUR website!
virginia peanuts =10 lbs
\n" ); document.write( "cost of virginia peanuts = $3.5
\n" ); document.write( "total cost of virginia Peanuts = $35\r
\n" ); document.write( "\n" ); document.write( "let the spanish peanuts be x lbs
\n" ); document.write( "cost of spanish peanuts = $3
\n" ); document.write( "total cost of spanish Peanuts = $3x\r
\n" ); document.write( "\n" ); document.write( "total quantity = 10 + x
\n" ); document.write( "average cost of totol quantity = $3.4
\n" ); document.write( "total cost =(10+x)(3.4)=cost of virginia Peanuts + cost of spanish Peanuts \r
\n" ); document.write( "\n" ); document.write( "(10+x)(3.4)= 35 + 3x
\n" ); document.write( "34 + 3.4x = 35 + 3x
\n" ); document.write( "3.4x - 3x = 35 - 34
\n" ); document.write( ".4x = 1\r
\n" ); document.write( "\n" ); document.write( "x = 1/0.4
\n" ); document.write( "x = 10/4
\n" ); document.write( "x = 2.5 \r
\n" ); document.write( "\n" ); document.write( "2.5 lbs \r
\n" ); document.write( "\n" ); document.write( "kapilsinghi123@gmail.com\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );