document.write( "Question 636474: How much of a 5% cream and a 0.5% cream would be required to compound 75 g of a 2% cream?\r
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Algebra.Com's Answer #401037 by Maths68(1474) You can put this solution on YOUR website! Cream A \n" ); document.write( "======= \n" ); document.write( "Amount = x \n" ); document.write( "Cream = 5%=0.05\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Cream B \n" ); document.write( "======= \n" ); document.write( "Amount = 75-x \n" ); document.write( "Cream = 0.5%=0.005\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Mixture Cream \n" ); document.write( "============= \n" ); document.write( "Amount = 75g \n" ); document.write( "Cream = 2%=0.02\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(Amount)(cream A)+(Amount)(Cream B)= (Amount)(Mixture Cream) \n" ); document.write( "0.05x+(75-x)0.005=(75)(0.02) \n" ); document.write( "0.05x+(75-x)0.005=(0.02)(75) \n" ); document.write( "0.05x+(75-x)0.005=1.5 \n" ); document.write( "0.05x+0.375-0.005x=1.5 \n" ); document.write( "0.045x+0.375=1.5 \n" ); document.write( "0.045x=1.5-0.375 \n" ); document.write( "0.045x=1.125 \n" ); document.write( "0.045x/0.045=1.125/0.045 \n" ); document.write( "x=25\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Cream A \n" ); document.write( "======= \n" ); document.write( "Amount = x = 25g \n" ); document.write( "Cream = 5%=0.05 \n" ); document.write( "Cream B \n" ); document.write( "======= \n" ); document.write( "Amount = 75-x=75-25=50g \n" ); document.write( "Cream = 0.5%=0.005 \n" ); document.write( "Mixture Cream \n" ); document.write( "============= \n" ); document.write( "Amount = 75g \n" ); document.write( "Cream = 2%=0.02\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "25g of a 5% cream and 50g of a 0.5% cream would be required to compound 75 g of a 2% cream.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |