cakeypoo1983p9lo0p cakeypoo1983p9lo0p
  • 31-05-2018
  • Mathematics
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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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gordjoe39 gordjoe39
  • 31-05-2018
are there multiple choices?
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