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OpenStudy (anonymous):
An astronaut weighs 170 pounds on Earth but only 68 pounds on Mars. While visiting the planet, the astronaut removes a rock sample that weighs 25 pounds on Mars. What is the weight of the rock sample on Earth?
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OpenStudy (anonymous):
62.5 pounds
OpenStudy (anonymous):
170/x = 68 x = .4 So 25/.4 = 62.5 lbs
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