document.write( "Question 445527: How do you make 25 mL of a 7.8% saline solution from two solutions of 5.6% saline and 18.8% saline? Round to the hundredths.
\n" ); document.write( "Could you please show step to step on how it was solved. Thanks!
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Algebra.Com's Answer #307119 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
x+y=25
\n" ); document.write( "5.6x+18.8y=25x7.8=195
\n" ); document.write( "5.6x+5.6y=140
\n" ); document.write( "13.2y=55
\n" ); document.write( "y=4.167
\n" ); document.write( "x=20.833
\n" ); document.write( "You need 20.833ml of 5.6% solution and 4.167ml of 18.8% solution..
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