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document.write( "a dairy farmer has two types of milk. How many gallons of a 2% milk fat solution and how many gallons of a 4.5% milk fat solution should be mixed to obtain 500 gallons of a 2.9% milk fat solution
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Algebra.Com's Answer #437514 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! .045X+.02(500-X)=.029*500 \n" ); document.write( ".045X+10-.02X=14.5 \n" ); document.write( ".025X=14.5-10 \n" ); document.write( ".025X=4.5 \n" ); document.write( "X=4.5/.025 \n" ); document.write( "X=180 GALLONS OF 4.5% IS USED. \n" ); document.write( "500-180=320 GALLONS OF 2% IS USED. \n" ); document.write( "PROOF: \n" ); document.write( ".045*180+.02*320=.029*500 \n" ); document.write( "8.1+6.4=14.5 \n" ); document.write( "14.5=14.5 \n" ); document.write( " |