document.write( "Question 840448: A 100% concentrate is to be mixed with a mixture having a concentration of 35% to obtain 60 gallons of a mixture with a concentration of 70%. How much of the 100% concentrate will be needed? \n" ); document.write( "
Algebra.Com's Answer #506174 by josgarithmetic(39617)\"\" \"About 
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v = how much 100% concentrate\r
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\n" ); document.write( "\n" ); document.write( "\"%2835%2A60%2B100v%29%2F%28v%2B60%29=70\"
\n" ); document.write( "Find v.\r
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\n" ); document.write( "\n" ); document.write( "http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev
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