document.write( "Question 620242: Nelson wants to use a few pieces of silver to make a bracelet. Some of the jewelry is 70% silver, and the rest is 58% silver. Nelson needs 26.00g of 65% silver. How much of each alloy should he use? \n" ); document.write( "
Algebra.Com's Answer #390258 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! elson wants to use a few pieces of silver to make a bracelet. \n" ); document.write( " Some of the jewelry is 70% silver, and the rest is 58% silver. \n" ); document.write( " Nelson needs 26.00g of 65% silver. How much of each alloy should he use? \n" ); document.write( "; \n" ); document.write( "Let x = amt of 70% silver \n" ); document.write( "the total amt is to be 26 gr, therefore: \n" ); document.write( "(26-x) amt of 58% silver \n" ); document.write( ": \n" ); document.write( "A typical mixture equation \n" ); document.write( ": \n" ); document.write( ".70x + .58(26-x) = .65(26) \n" ); document.write( ".70x + 15.08 - .58x = 16.9 \n" ); document.write( ".70x - .58x = 16.9 - 15.08 \n" ); document.write( ".12x = 1.82 \n" ); document.write( "x = 1.82/.12 \n" ); document.write( "x = 15 \n" ); document.write( "and \n" ); document.write( "26 - 15 |