document.write( "Question 879721: A glass containing 250ml of 80% iodine solution tips over spilling parts of its contents. This was subsequently replaced by an equal amount from a mixture of 40% iodine. If a 72% solution is resulted, how much was spilled? \n" ); document.write( "
Algebra.Com's Answer #531016 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"%28250%2A80-v%2A80%2Bv%2A40%29%2F250=72\"
\n" ); document.write( "\"%28250%2A80%2B%2840-80%29v%29%2F250=72\"
\n" ); document.write( "\"%28250%2A80-40v%29%2F250=72\"
\n" ); document.write( "\"250%2A80-40v=250%2A72\"
\n" ); document.write( "\"250%2A80-250%2A72=40v\"
\n" ); document.write( "\"250%2A8=40v\"
\n" ); document.write( "\"v=25%2A2\"
\n" ); document.write( "\"highlight%28v=50%29\", volume spilled and replaced, mililiters.\r
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\n" ); document.write( "\n" ); document.write( "This works just like other drain-and-replace problems:
\n" ); document.write( "Drain and Replace: Radiator Antifreeze Mixture
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