document.write( "Question 30166: how do you set up the problem mix raisins cost that $5.00 per kg with peanuts that cost $3.80 a kg. How many kg of raisins should be mixed with 10kg of peanuts to obtain a mixture worth $4.00 per kg \n" ); document.write( "
Algebra.Com's Answer #16901 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! 5x+3.8(10-x)=40 x being the kg amount of raisons. \n" ); document.write( "5x+38-3.8x=40 \n" ); document.write( "5x-3.8x+38=40 \n" ); document.write( "1.2x=40-38 \n" ); document.write( "1.2x=2 \n" ); document.write( "x=2/1.2 \n" ); document.write( "x=1 2/3kg multiply this by 5=8 1/3 kg of raisons \n" ); document.write( "10-x=8 1/3kg multiplied by 3.8=31 2/3 kg of peanuts \n" ); document.write( "8 1/3+31 2/3= 40. \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |