Question

An astronaut who weighs 765 newtons on Earth found that his weight on Jupiter is 1800 newtons. While visiting Jupiter, he captured an alien that weighed 1200 newtons on Jupiter. What is the alien's weight on Earth?
x/1200 = 1800/765
1. Either 5/0.29=115/w or 0.29 = w/115
2. 0.25
3. 89
4. 510 Newtons
5. 425 Newtons

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