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Niles and Bob sailed at the same time for the same length of time. Niles' sailboat traveled 30 miles at a speed of 6 mph, while Bob's motorboat traveled 70 miles at a speed of 14 mph. For how long were Niles and Bob traveling?

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Answer: 5 hours

Step-by-step explanation:

As both of them sailed for the same time, take the speed and distance of either of them to find the time they traveled:

Niles' Time = Distance / speed

= 30 / 6

= 5 hours

Bob's time = 70 / 14

= 5 hours  

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