document.write( "Question 451330: the johnsons traveled 300 km in 4 hours. at that rate how long will it take them to travel 500 km
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Algebra.Com's Answer #310473 by rwm(914)\"\" \"About 
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r*t=d
\n" ); document.write( "4*r=300
\n" ); document.write( "r=300/4
\n" ); document.write( "r=75
\n" ); document.write( "75*t=500
\n" ); document.write( "t=500/75
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