document.write( "Question 762735: a man drives his car 172 miles in 4 hours at this rate how far will he travel in 7 hours ? I don't understand it at all help ???
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Algebra.Com's Answer #464152 by josgarithmetic(39617)\"\" \"About 
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Simple proportion. The rate is 172/4 miles per hour. The proportion asked is,
\n" ); document.write( "{174 miles}/{4 hours}={ D miles}/{7 hours}\r
\n" ); document.write( "\n" ); document.write( "\"174%2F4=D%2F7\"
\n" ); document.write( "Find D.
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