document.write( "Question 254934: An alloy of tin and copper has 6 pounds of copper for every 2 pounds of tin. If 200 pounds of this alloy are made, how many pounds of tin are used?\r
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document.write( "a. 25
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document.write( "b. 50
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document.write( "c. 100
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document.write( "d. 125 \n" );
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Algebra.Com's Answer #187219 by stanbon(75887) ![]() You can put this solution on YOUR website! An alloy of tin and copper has 6 pounds of copper for every 2 pounds of tin. \n" ); document.write( "If 200 pounds of this alloy are made, how many pounds of tin are used? \n" ); document.write( "--- \n" ); document.write( "6:2 is the same as 6x:2x where 2x is the amount of tin \n" ); document.write( "----- \n" ); document.write( "Equations: \n" ); document.write( "2x + 6x = 200 \n" ); document.write( "8x = 200 \n" ); document.write( "x = 25 \n" ); document.write( "---- \n" ); document.write( "Amount of tin = 2x = 2*25 = 50 lbs. \n" ); document.write( "======================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "======================================= \n" ); document.write( " \n" ); document.write( "a. 25 \n" ); document.write( "b. 50 \n" ); document.write( "c. 100 \n" ); document.write( "d. 125 \n" ); document.write( " \n" ); document.write( " |