Ubehebe crater in death valley has a diameter of a little more than 1/2 mile. if latisha walks around it's rim at a rate of 2 miles per hour, about how long will it take her to walk all the way around the crater? find your answer to the nearest tenth. use 3.14 for pie

Let's say that the diameter was 1/2 mile. So the diameter is 1/2,  then you need to find the circumference, aka perimeter of the circle. So 1/2 times 3.14 = 1.57 miles So then you would do 1.57/2 = .785 of an hour If you round to nearest tenth The answer is .8 of an hour.

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Ithink your answer is b