document.write( "Question 762944: Please help me solve this question: Amy needs to make 10L of 42% sulphuric acid solution. In the supply room , she finds bottles of 30% sulphuric acid solution and 60% sulphuric acid solution. What volume of each solution should she mix in order to make the 42% solution ? \r
\n" ); document.write( "\n" ); document.write( "So far I have the two equations : x+y= 10
\n" ); document.write( " 0.3x+0.6y=0.42
\n" ); document.write( "

Algebra.Com's Answer #464337 by Alan3354(69443)\"\" \"About 
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Amy needs to make 10L of 42% sulphuric acid solution. In the supply room , she finds bottles of 30% sulphuric acid solution and 60% sulphuric acid solution. What volume of each solution should she mix in order to make the 42% solution ? \r
\n" ); document.write( "\n" ); document.write( "So far I have the two equations :
\n" ); document.write( "x+y= 10
\n" ); document.write( "0.3x+0.6y=0.42 ******
\n" ); document.write( "The 2nd equation is 0.3x + 0.6y = 0.42*10
\n" ); document.write( "-----------
\n" ); document.write( "You can use:
\n" ); document.write( "x + y = 10
\n" ); document.write( "30x + 60y = 42*10
\n" ); document.write( "
\n" );