document.write( "Question 212716This question is from textbook Elementary and Intermediate Algebra
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document.write( ": Ziggy's Famous Yogurt blends regular yogurt that is 3% fat with its no-fat yogurt to obtain low fat yogurt that is 1% fat. How many pounds of regular yogurt and how many pounds of no-fat yogurt should be mixed to obtain 60 pounds of low fat yogurt? \n" );
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Algebra.Com's Answer #160651 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Ziggy's Famous Yogurt blends regular yogurt that is 3% fat with its no-fat yogurt \n" ); document.write( " to obtain low fat yogurt that is 1% fat. \n" ); document.write( "How many pounds of regular yogurt and how many pounds of no-fat yogurt should \n" ); document.write( " be mixed to obtain 60 pounds of low fat yogurt? \n" ); document.write( ": \n" ); document.write( "let n = amt of no fat stuff required \n" ); document.write( "the resulting amt is given as 60 lb, therefore: \n" ); document.write( "(60-n) = amt of 3% stuff \n" ); document.write( ": \n" ); document.write( ".03(60-n) = .01(60) \n" ); document.write( "1.8 - .03n = .6 \n" ); document.write( "1.8 - .6 = .03n \n" ); document.write( "1.2 = .03n \n" ); document.write( "n = \n" ); document.write( "n = 40 lb of no-fat \n" ); document.write( "then, obviously, 20 lb of 3% needed \n" ); document.write( "; \n" ); document.write( ": \n" ); document.write( "Check solution (the amt of fat is unchanged) \n" ); document.write( ".03(20) = .01(60) \n" ); document.write( ".6 = .6 \n" ); document.write( " \n" ); document.write( " |