document.write( "Question 206585: How much 1% fat milk should we mix with 15% fat cream to obtain 5 litres of 3% fat mixture?\r
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document.write( "(A) 5/7 l. (B) 1 l. (C) 3 l. (D) 4 l. (E) 30/7 l. \n" );
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Algebra.Com's Answer #156137 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .15x+.01(5-x)=.03*5 \n" ); document.write( ".15x+.05-.01x=.15 \n" ); document.write( ".14x=.15-.05 \n" ); document.write( ".14x=-.1 \n" ); document.write( "x=.1/.14 \n" ); document.write( "x=.714 liters of 15% milk is used. \n" ); document.write( "5-.714=4.286 liters of 1% milk is used. \n" ); document.write( "30/7 1 is the ratio. \n" ); document.write( " |