Mathematics, 30.06.2019 05:00 Sbeech7246
Working alone, john can complete a task in 150 minutes. kasey can complete the same task in only 120 minutes. john and kasey work together for 30 minutes and then alicia joins in. together they finish the task 20 minutes later. how long would it take alicia to complete the task by herself?
Answers: 1
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Working alone, john can complete a task in 150 minutes. kasey can complete the same task in only 120...
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