document.write( "Question 1144776: In the lab, Kaitlin has two solutions that contain alcohol and is mixing them with each other. She uses 4 times as much Solution A as Solution B. Solution A is 15% alcohol and Solution B is 19% alcohol. How many milliliters of Solution B does she use, if the resulting mixture has 395 milliliters of pure alcohol? \n" ); document.write( "

Algebra.Com's Answer #765937 by ikleyn(52776) $\"\"$ $\"About$

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document.write( "Let \"x\" be the amount of solution B, in milliliters.\r\n" );
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document.write( "Then the amount of the solution A is 4x milliliters, according to the condition.\r\n" );
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document.write( "The equation for the amount of the pure alcohol is\r\n" );
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document.write( "    0.15*(4x) + 0.19x = 395   millilites.\r\n" );
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document.write( "Simplify and find x\r\n" );
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document.write( "    0.6x + 0.19x = 395\r\n" );
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document.write( "    0.79x        = 395\r\n" );
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document.write( "        x        = 395/0.79 = 500  milliliters.    ANSWER\r\n" );
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