document.write( "Question 549636: 72 tires are changed between a small and large truck over 8 weeks. The large truck has 3 times as many tires as the small truck. How many tires does the small truck have? \n" ); document.write( "
Algebra.Com's Answer #357965 by rfer(16322)\"\" \"About 
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3x+x+72
\n" ); document.write( "4x=72
\n" ); document.write( "x=72/4
\n" ); document.write( "x=18 small
\n" ); document.write( "3x=54 large
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