Petra jogs 3 miles in 30 minutes. At this rate, how long would it take her to jog 7 miles?

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Grade: Education Subject: mathematics
Petra jogs 3 miles in 30 minutes. At this rate, how long would it take her to jog 7 miles?
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30 minutes / 3 miles = 10 minutes for 1 mile

7 miles * 10 minutes per mile = 70 minutes total to run 7 miles