The planets Naru and Nutpen revolve around the star Etznlos. The distance from Eznlos to Nara varies from 18 to 22 AU

The planets Naru and Nutpen revolve around the star Etznlos. The distance from Eznlos to Nara varies from 18 to 22 AU, from Eznlos to Nutpen – from 27 to 33 AU. What is the minimum possible and maximum possible distance from Naru to Nutpen?

The minimum distance between the planets is equal to the difference between the minimum distances from the planets to the star, i.e. 9 au The maximum distance is equal to the maximum of two numbers: the sum of the minimum distance from Eznlos to Nutpen and the maximum distance from Eznlos to Nara, i.e. 27 + 22 = 49 a.u. and vice versa, the sum of the minimum distance from Etznlos to Nara and the maximum distance from Etznlos to Nutpen, i.e. 18 + 33 = 51 a.u., i.e. AU 51

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