document.write( "Question 850757: A man has two piles of solder (a mixture of tin and lead)available. One pile is 30% tin and the other is 70%. How much of each must be used to make a 20-lb mixture that is 45% tin? \n" ); document.write( "
Algebra.Com's Answer #512451 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! http://www.algebra.com/tutors/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev \n" ); document.write( "Mixing two concentrations for known amount of mixture \n" ); document.write( " |