Mathematics, 09.11.2020 16:50 maustin5323
Janet can do a job in 3 hours, and Garry can do the same job in 2 hours. If Janet works for 1 hour before Garry comes to help, how long will it take them to do it together.
Answers: 2
Mathematics, 21.06.2019 18:00
A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees
Answers: 2
Janet can do a job in 3 hours, and Garry can do the same job in 2 hours. If Janet works for 1 hour b...
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