Please help!

Ana's younger brother and sister went on a carnival ride that has two separate circular tracks. Ana's brother rode in a blue car that travels a total distance of 220 feet around the track. Ana’s sister rode in a green car that travels a total distance of 126 feet around the track. Ana drew a sketch of the ride.

1. What is the radius of the circle made by Ana's brother in the blue car? Use 3.14 for π and round your answer to the nearest tenth.
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2. What is the radius of the circle made by Anna's sister in the green car? Use 3.14 for π and round your answer to the nearest tenth. Show your work. Write your answer in the space below. SHOW ALL WORK

4. What is the difference in the radii of the circles?

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1. Radius of the circle made by Ana's brother in the blue car = (220 ft)/(2π) = 35.4 ft

2. Radius of the circle made by Anna's sister in the green car = (126 ft)/(2π) = 20.2 ft

3. Difference in the radii of the circles = 35.4 ft - 20.2 ft = 15.2 ft