Mathematics, 06.01.2020 13:31 izzyp619

At the end of the day, dodie can clean her hair salon in 15 minutes. ann, who works with her, can clean the salon in 30 minutes. how long would it take them to clean the shop if they work together?

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At the end of the day, dodie can clean her hair salon in 15 minutes. ann, who works with her, can cl...