document.write( "Question 161215: A photographer wishes to mix 2 liters of a 5% acetic acid solution with a 10% solution to get a 7% solution. How many liters of 10% solution must be added?
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Algebra.Com's Answer #118830 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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A photographer wishes to mix 2 liters of a 5% acetic acid solution with a 10% solution to get a 7% solution. How many liters of 10% solution must be added?
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\n" ); document.write( "Let x = amt of 10% solution required to accomplish this
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\n" ); document.write( "Write a decimal equivalent equation:
\n" ); document.write( ".05(2) + .10x = .07(x+2)
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\n" ); document.write( ".10 + .10x = .07x + .14
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\n" ); document.write( ".10x - .07x = .14 - .10
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\n" ); document.write( ".03x = .04
\n" ); document.write( "x = $\".04%2F.03\"$
\n" ); document.write( "x = 1 $\"1%2F3\"$ liters of the 10% solution
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\n" ); document.write( "Check
\n" ); document.write( ".05(2) + .10(1.33) = .07(1.33+2)
\n" ); document.write( ".10 + .133 = .07(3.33)
\n" ); document.write( ".233 = .233
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