document.write( "Question 279402: Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or substitution. State your answer for the specified variable.\r
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document.write( "In a chemistry class, 5 liters of a 4%-saline solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed? \n" );
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Algebra.Com's Answer #203149 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! .04*5+.10*x=.06*(5+x) \n" ); document.write( "or with two variables \n" ); document.write( "5+x=y \n" ); document.write( ".04*5+.10*x=.06*y \n" ); document.write( "which is a waste of time \n" ); document.write( "x=2.5 \n" ); document.write( "y=7.5 \n" ); document.write( "5+x=7.5\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |