The moon is made of 50% iron, 20% carbon, and the remainder is other elements. Mars weighs twice as much as the moon, but has the exact same composition. If Mars is 150 tons of other elements, how many tons does the moon weigh? Let's think step by step and output the final answer after "####".
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30% of Mars is made up of other elements because 100 - 50 - 20 = <<100-50-20=30>>30
Mars weighs 500 tons because 150 / .3 = <<150/.3=500>>500
The moon weighs 250 tons because 500 / 2 = <<500/2=250>>250
#### 250
The moon is made of 50% iron, 20% carbon, and the remainder is other elements. Mars weighs twice as much as the moon, but has the exact same composition. If Mars is 150 tons of other elements, how many tons does the moon weigh?
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