document.write( "Question 1002427: if it takes me 6 hours to wash 16 cars how long would it take me to wash 21 cars
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Algebra.Com's Answer #619345 by fractalier(6550)\"\" \"About 
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We write the proportion
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\n" ); document.write( "Cross-multiply
\n" ); document.write( "16x = 126
\n" ); document.write( "Now divide by 16 and get
\n" ); document.write( "x = 7 7/8 hours
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