Ricky left at 28 kph and Edith left 3 hours later driving 42 kph faster in an effort to catch up with Ricky. How long did Edith have to travel to catch up with Ricky?
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Ricky left at 28 kph and Edith left 3 hours later driving 42 kph faster in an effort to catch up with Ricky. How long did Edith have to travel to catch up with Ricky?
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