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Jeff bicycles 144 miles at the rate of r mph. The same trip would have taken 3 hours longer if he had decreased his speed by 4 mph. Find r (in mph).
His original speed was r =mph.

Jeff bicycles 144 miles at the rate of r mph The same trip would have taken 3 hours longer if he had decreased his speed by 4 mph Find r in mph His original spe class=


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