document.write( "Question 247528: How many ounces of a 6% iodine solution needs to be added to 12 ounces of a 10% solution to create a 7% solution? \n" ); document.write( "
Algebra.Com's Answer #180576 by checkley77(12844)\"\" \"About 
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.06x+.10*12=.07(12+x)
\n" ); document.write( ".06x+1.2=.84+.07x
\n" ); document.write( ".06x-.07x=.84-1.2
\n" ); document.write( "-.01x=-.36
\n" ); document.write( "x=-.36/-.01
\n" ); document.write( "x=36 ounces of 6% iodine is used.
\n" ); document.write( "Proof:
\n" ); document.write( ".06*36+.10*12=.07(12+36)
\n" ); document.write( "2.16+1.2=.07*48
\n" ); document.write( "3.36=3.36
\n" ); document.write( "
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