document.write( "Question 747261: A chemist has two alloys, one of which is 20% gold and 10% lead and the other which is 30% gold and 50% lead. How many grams of each of the two alloys should be used to make an alloy that contains 103 g of gold and 76 g of lead? \n" ); document.write( "
Algebra.Com's Answer #454800 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! x grams of the one alloy \n" ); document.write( "y grams of the other alloy\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Account for Gold. \n" ); document.write( "0.20x+0.30y=103\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Account for Lead. \n" ); document.write( "0.10x+0.50y=76\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "System can be: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Entire two equations were multiplied by 10 to get whole number coefficients. Solve the system for x and y. \n" ); document.write( " |