Mathematics, 11.10.2019 07:50 marlea

Curtis runs 1 mph slower than marsy. after 2 hours of running in opposite directions, they are 30 miles apart. how fast had curtis been running?
a.9mph b.8mph c.6mph d.7mph

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Curtis runs 1 mph slower than marsy. after 2 hours of running in opposite directions, they are 30 mi...