saulis530 saulis530

12-05-2017
Mathematics

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Hong can staple the programs for graduation in 30 minutes. However, since Eva has an electric stapler, it only takes her 10 minutes. If they work together, how long will it take to staple the programs? Be ready to share your work with the class.

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Аноним Аноним

12-05-2017

30 mind I'm figuring that Hong can also do it in 10 minutes too with electric stapler

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