SOLUTION: Sally is traveling 65 mph and Mark is traveling 50 mph. how long will it take Mark to catch up is Sally had a two hour Head start

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Question 1109564: Sally is traveling 65 mph and Mark is traveling 50 mph. how long will it take Mark to catch up is Sally had a two hour Head start
Answer by ikleyn(52781) About Me  (Show Source):
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Sally is traveling 65 mph and Mark is traveling 50 mph. how long will it take Mark to catch up highlight%28cross%28is%29%29 if Sally had a two hour Head start ?
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If they do travel in the same direction along the straight line  (as the condition assumes),  then Mark will  NEVER  catch Sally.