document.write( "Question 1201605: An auto mechanic has 600g of battery acid solution that is 60% acid. he must add water to this solution to dilute it so thst it is only 45% acid. How much water should he add?.
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Algebra.Com's Answer #836062 by Theo(13342)\"\" \"About 
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.6 * 600 + 0y = .45 * (600 + y)
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\n" ); document.write( "360 = 270 + .45y
\n" ); document.write( "solve for y to get:
\n" ); document.write( "y = (360 - 270) / .45 = 200
\n" ); document.write( "that's your solution.
\n" ); document.write( "200 grams of water needs to be added to 60% acid solution to make 45% acid solution.
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