document.write( "Question 255816: you want to cover 100 miles in 18 hours how fast should your average speed be \n" ); document.write( "
Algebra.Com's Answer #188057 by richwmiller(17219)\"\" \"About 
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rt=d
\n" ); document.write( "If it were 5 mph for 20 hours, he would go 100 miles. So the speed should be about 5 mph.
\n" ); document.write( "r*18=100
\n" ); document.write( "r=100/18=50/9= 5 5/9 mph
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