document.write( "Question 440992: in a chemistry class, 7 litters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. how many liters of the 10% solution are needed? \n" ); document.write( "
Algebra.Com's Answer #304493 by stanbon(75887)\"\" \"About 
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in a chemistry class, 7 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. how many liters of the 10% solution are needed?
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\n" ); document.write( "Equation:
\n" ); document.write( "silver + silver = silver
\n" ); document.write( "0.04*7 + 0.10x = 0.06(7+x)
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\n" ); document.write( "Multiply thru by 100 to get:
\n" ); document.write( "4*7 + 10x = 6*7 + 6x
\n" ); document.write( "4x = 2*7
\n" ); document.write( "x = 3.5 liters (amt. of 10% solution needed)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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