document.write( "Question 125066: In a design the ratio of grey to black is 3:1 \r
\n" ); document.write( "\n" ); document.write( "what percentage of the design is black?
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Algebra.Com's Answer #91688 by Fombitz(32388)\"\" \"About 
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Out of the total, 1 part is black, 3 parts are grey for a total of 4 parts
\n" ); document.write( "\"3%2F4\" are grey
\n" ); document.write( "\"1%2F4\" are black
\n" ); document.write( "\"1%2F4=.25=25%2F100\"
\n" ); document.write( "25% of the design is black.
\n" ); document.write( "75% of the design is grey.
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