Mathematics, 18.07.2019 10:00 pretti78
Tomas can do a job in 4 hours. julia can do the same job in 6 hours. how many hours will it take the two of them to do the job if they work together?
Answers: 2
Mathematics, 21.06.2019 18:40, miguel3maroghi
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
Answers: 3
Tomas can do a job in 4 hours. julia can do the same job in 6 hours. how many hours will it take the...
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