document.write( "Question 1120300: A mixture contains 2 parts of substance A for every 5 parts of substance B. If the total weight of the
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document.write( "mixture is 50kg, determine how much of substance B is in the mixture (correct to two decimal
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document.write( "places).
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Algebra.Com's Answer #735962 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A mixture contains 2 parts of substance A for every 5 parts of substance B. \n" ); document.write( "If the total weight of the mixture is 50kg, \n" ); document.write( "determine how much of substance B is in the mixture \n" ); document.write( ": \n" ); document.write( "let x = the multiplier \n" ); document.write( "then \n" ); document.write( "2x = amt of A substance \n" ); document.write( "and \n" ); document.write( "5x = amt of B substance \n" ); document.write( "; \n" ); document.write( "2x + 5x = 50 \n" ); document.write( "7x = 50 \n" ); document.write( "x = 50/7 \n" ); document.write( "x = 7.143 is the multiplier \n" ); document.write( "Find the amt of B substance \n" ); document.write( "5*7.143 = 35.71 kg \n" ); document.write( " \n" ); document.write( " |