document.write( "Question 1139169: A metallurgist made two purchases. The first purchase, which cost $1064, included 48 kilograms of an iron alloy and 20 kilograms of a lead alloy. The second purchase, at the same prices, cost $730 and included 24 kilograms of the iron alloy and 19 kilograms of the lead alloy. Find the cost per kilogram of the iron and lead alloys. \n" ); document.write( "
Algebra.Com's Answer #756947 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! x, price for iron alloy \n" ); document.write( "y, price for lead alloy\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Solve the system any method you want. \n" ); document.write( " |