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Mathematics, 20.11.2020 01:10 spellsaltoniza
Working alone, Jamie can mow her lawn in 75 minutes. If Bob helps her, then the two can mow the lawn in 30 minutes. How long does it take Bob to mow the lawn alone?
Pls give explanation
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Working alone, Jamie can mow her lawn in 75 minutes. If Bob helps her, then the two can mow the lawn...
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