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Mathematics, 12.01.2020 21:31 x0katie15

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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Hong can staple the programs for graduation in 30 minutes. however, since eva has an electric staple...
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