document.write( "Question 918513: A chemist wants to get 120 mL, of a 87% solution. If she has to make it by mixing a 80% solution and a 92% solution, how much of each should she use?
\n" );
document.write( "I have x=80% solution and y- 92% solution.\r
\n" );
document.write( "\n" );
document.write( "The last question our instructor used was: A chemist has to prepare a large amount of 35% acid solution for an experiment. He has 37 L of 60% solution to combine with some amount of 25% solution. How much 25% solution should he use, and how much 35% solution will that allow him to create?
\n" );
document.write( "I had x=Litres of 25% solution which was 92.50; and y= Litres of 35% solution and i got 129.5! \r
\n" );
document.write( "\n" );
document.write( "So I am at a loss as how to solve this equation
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #557082 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! The units in volumes and percents, no other information used, these need to use percents as either weight per volume \n" ); document.write( "or as volume per volume.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The first question about how much of the two solutions is throughly discussed in this lesson: \n" ); document.write( "http://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev \n" ); document.write( "http://www.algebra.com/my/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The \"last\" question about how much of one material when the other material quantity is known' \n" ); document.write( "is thoroughly discussed in this lesson: \n" ); document.write( "http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev \n" ); document.write( "http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Those lessons each also include the general solutions and the formulas for those general solutions. \n" ); document.write( " \n" ); document.write( " |