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Billy can build a rocket ship in 30 weeks. with Juan's help, they can build the rocket ship in 4 weeks. how long would it take Juan to build a rocketship by himself?
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Jul 22, 2019
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Billy can build a rocket ship in 30 weeks. with Juan's help, they can build the rocket ship in 4 weeks. how long would it take Juan to build a rocketship by himself?
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Yuceel
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are there multiple choices?
Mahmoud Felfel
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Jul 28, 2019
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Mahmoud Felfel
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