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math help for 7th grade daughter?
The diameter of Earth is twice that of mars. The diameter of Mars is 3 times that of Pluto. The sum of all 3 is 30,000k less than that of Uranus. If Uranus is 52,000k in diameter, what equation can be used to find the approximate diameter of Pluto?
1 AnswerPrimary & Secondary Education1 decade ago