document.write( "Question 607539: 100L of a drink that is 28% fruit juice is mixed with a drink that is 40% fruit juice to make a drink that is 36% juice. How many liters of 40% fruit juice should be mixed and how many liters is the 36% juice mixture? \n" ); document.write( "
Algebra.Com's Answer #382766 by alicealc(293)\"\" \"About 
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40% fruit juice = x liters\r
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\n" ); document.write( "\n" ); document.write( "100 * 28% + x * 40% = (100 + x) * 36%
\n" ); document.write( "(omit all the % sign)
\n" ); document.write( "100 * 28 + x * 40 = (100 + x) * 36
\n" ); document.write( "2800 + 40x = 3600 + 36x
\n" ); document.write( "40x - 36x = 3600 - 2800
\n" ); document.write( "4x = 800
\n" ); document.write( "x = 800/4 = 200\r
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\n" ); document.write( "\n" ); document.write( "so, we should mix 200 liters of 40% fruit juice and the 36% juice mixture will be (100+200) = 300 liters
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