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Original Question
mary travel 60mph at 6am, tom travel 70mph at 8am. What time tom will catch up to maryQuestion
mary travel 60mph at 6am, tom travel 70mph at 8am. What time tom will catch up to mary?
Answers
Steve
Mary has a 2-hr start, so she's 120 mi ahead at 8 am.
Tom goes 10 mi/hr faster, so how long will it take him to make up the 120 mi?
Tom goes 10 mi/hr faster, so how long will it take him to make up the 120 mi?