According to the AVMA website, the number of dogs in the US in 2010 was 73 million, the number of horses was 7 million and the number of cats was 86 million. We draw a circle to represent the number of dogs that has a radius 9 cm. We want to make a circle to represent the number of horses. The area of the dog circle and the area of the horse circle should be the same ratio as the populations. What should be the radius of the horse circle? Report your answer to the nearest tenth of a centimeter (cm).

PREALGEBRA
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ISBN:9781938168994
Author:OpenStax
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Chapter5: Decimals
Section5.6: Ratios And Rate
Problem 481E: One elementary school in Ohio has 684 students and 45 teachers. Write the student-to-teacher ratio...
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According to the AVMA website, the number of dogs in the US in 2010 was 73 million, the number of horses was 7 million and the number of cats was 86 million.

We draw a circle to represent the number of dogs that has a radius 9 cm. We want to make a circle to represent the number of horses. The area of the dog circle and the area of the horse circle should be the same ratio as the populations.

What should be the radius of the horse circle? Report your answer to the nearest tenth of a centimeter (cm).

   cm

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