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alexsan5537
21.12.2019 •
Mathematics
If each hour 5 students receive a message at what time will 15,625 students receive a text messages
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Ответ:
3125 hours
Explanaition:
Explanaition:First: Arrange the givens like this
1hr - 5students - 1 text
This is the first given
It says that after each hour 5 students receive a text.
Now the second given
x hours - 15,625 students - 1 text
Here we are saying that after x hours 15,625 students received 1 text.
So it should look something like this:
1hr - 5students - 1 text
xhr - 15,625 students - 1 text
Secondly: See how many minutes (time) would take for one student to receive a text.
so: 5students - 60 minutes (1 hr =60min)
1student - x minutes
cross multiply you get 60÷5= 12 min
Thirdly:
convert the minutes to hours by dividing 12 by 60, you get 0.5 hours
1student - 0.5 hours
15,625students - x
cross multiply you get
(15,625×0.5)÷1= 3125×1= 3125 hours
Ответ:
5 × 2 × 2 × 3 × 3
Step-by-step explanation:
The prime factorization of 180 is 5 × 2 × 2 × 3 × 3