document.write( "Question 130045: Ellen mixes nuts worth $1.60 per pound with oats worth $1.40 per pound to get 20 lbs of trail mix worth $1.54 per pound. How many pounds of nuts and how many pounds of oats should she use? \n" ); document.write( "
Algebra.Com's Answer #94985 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Ellen mixes nuts worth $1.60 per pound with oats worth $1.40 per pound to get 20 lbs of trail mix worth $1.54 per pound. How many pounds of nuts and how many pounds of oats should she use? \n" ); document.write( "---------------------------- \n" ); document.write( "Let amt. of nuts be \"x\" lbs. ; value is 1.6x dollars \n" ); document.write( "---------------------- \n" ); document.write( "Amt. of oats is \"20-x\" lbs . ; value is 1.4(20-x) = 28-1.4x dollars \n" ); document.write( "----------------------- \n" ); document.write( "Mixture: \n" ); document.write( "Amt. = 20 lbs. ; value = 1.54*20 = 30.8 dollars \n" ); document.write( "======================== \n" ); document.write( "EQUATION: \n" ); document.write( "value + value = value \n" ); document.write( "1.6x + 28-1.4x = 30.8 \n" ); document.write( "0.2x = 2.8 \n" ); document.write( "x =14lbs (amount of nuts in the mixture) \n" ); document.write( "20-x = 6 lbs (amount of oats in the mixture) \n" ); document.write( "=========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |