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Jo has an appointment at 3pm. She has to travel 21 miles and will drive at an average speed of 30 mph. To arrive exactly on time, what time should she leave? Give your answer as a time on the 24-hour clock
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21 votes
Jo has an appointment at 3pm. She has to travel 21 miles and will drive at an average speed of 30 mph. To arrive exactly on time, what time should she leave? Give your answer as a time on the 24-hour clock

User Apanatshka
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4.8k points

1 Answer

9 votes
2:18pm

21/30*60=42min trip
User Pollitzer
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4.5k points
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