document.write( "Question 846264: tom drove from palm desert to phoenix for 6 hours . if he increases his speed by 20 miles per hour,he can cover the same distances= in 4.5 hrs. what was his speed? \n" ); document.write( "

Algebra.Com's Answer #513255 by richwmiller(17219) $\"\"$ $\"About$

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4.5*(r+20)=6r
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