![subject](/tpl/images/cats/mat.png)
Mathematics, 23.02.2021 01:00 azaz1819
three postal workers can sort a stack of mail in 30 minutes, 30 minutes, and 60 minutes, respectively. find how long it takes them to sort the mail if all three work together.
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:00
Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2
Answers: 1
You know the right answer?
three postal workers can sort a stack of mail in 30 minutes, 30 minutes, and 60 minutes, respectivel...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.07.2019 00:00
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.07.2019 00:00
![question](/tpl/images/cats/istoriya.png)
History, 11.07.2019 00:00
![question](/tpl/images/cats/mkx.png)
Arts, 11.07.2019 00:00
![question](/tpl/images/cats/biologiya.png)
Biology, 11.07.2019 00:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 11.07.2019 00:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.07.2019 00:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 11.07.2019 00:00
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/health.png)