document.write( "Question 910991: I have pure silver 1300 gms. I have mixture(x) 65% silver( + 35 % other metals).How many gms of (x) to be added with pure silver (1300 gms) to get 73 % of new mixture? \n" ); document.write( "
Algebra.Com's Answer #552802 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! We have 1300 gms of 100% silver \n" ); document.write( "We want to add some 65% silver to make 73% silver \n" ); document.write( "0.65*x+1*1300=0.73(1300+x) \n" ); document.write( "0.65*x+1300=949+0.73x \n" ); document.write( "0.65x-0.73x=949-1300 \n" ); document.write( "-0.08x=-351 \n" ); document.write( "x=4387.5 gms at 65% (2851.875) is added to 1300 gms at 100%(1300) to make 73% of 5687.5 gms (4151.875) \n" ); document.write( "check \n" ); document.write( "0.65*4387.5+1*1300=0.73(1300+4387.5) \n" ); document.write( "2851.875+1300=0.73(5687.5) \n" ); document.write( "4151.875=4151.875 \n" ); document.write( "ok \n" ); document.write( "codemixadd\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |