document.write( "Question 871413: A party mix is made from pretzels that cost $2 a pound and cereal that costs $2.40 a pound. If a total of 4 pounds is made and the cost for the mix is $2.15 a pound, how many pounds of each ingredient are used? \n" ); document.write( "
Algebra.Com's Answer #525515 by mananth(16949) You can put this solution on YOUR website! pretzels 2.00 ---------------- x pounds \n" ); document.write( "cereals 2.40 ------ 4 - x pounds \n" ); document.write( "Mixture 2.15 ---------------- 4 \n" ); document.write( "Total 4 pounds \n" ); document.write( "2 x + 2.4 ( 4 - x ) = 4*2.15 \n" ); document.write( "2 x + 9.6 - 2.4 x = 8.6 \n" ); document.write( "2 x - 2.4 x = 8.6 - -9.6 \n" ); document.write( "-0.4 x = -1 \n" ); document.write( "/ -0.4 \n" ); document.write( " x = 2.5 pounds 2.00% pretzels \n" ); document.write( " 1.5 pounds 2.40% cereals \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |