Ms smith has 28 sixth graders and 35 seventh graders for math. If she wants to break the two grades into identical groups without any students left over how many students will be I each group?
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Ms Smith has 28 sixth graders and 35 seventh graders
she wants to break them down into groups with each group having the same number of students from each grade
for this we have to find the highest common factor of 28 and 35 to see by which both 28 and 35 are divisible by
factors of 28 and 35 are as follows
28 - 1,2,4,7,14,28
35 - 1,5,7,35
the highest common factor both numbers is 7
therefore Ms Smith can break them down into 7 groups
each group will have
28 / 7 = 4 sixth graders
35 / 7 = 5 seventh graders
so each group will have 4 sixth graders and 5 seventh graders
so in each group there will be 4 + 5 = 9 students
she will break them down into 7 groups
each group has 9 students
28= 7 x 2 x 2
35= 7 x 5
The only common factor in both numbers is 7, so making 7 groups will be the answer.
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Im having problems with this multiplication
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If you started counting from 1 to 999, you would count to 99
before you get to the first 3-digit number.
So there are (999 - 99) = 900 of them.
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2. OK
3. It's C
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y - your age in years
There are 52 weeks in a year and 365 days in a year, so the age of your grandson in years is (52x)/365
There are 12 months in a year, so the age of your grandson in years is y/12.
Set both expressions equal to each other:
Your son's age is equal to 365/624 of your age.
Your grandson, your son and you together are 120 years.
You are 72 years old.
Let m be my age in years.If s is my son's age in years, then my son is 52s weeks old. If g is mygrandson's age in years, then my grandson is 365g days old. Thus,
365g = 52s.
Since my grandsonis 12g months old,
12g = m.
Since my grandson,my son and I together are 120 years,
g + s + m = 120.
The above system of3 equations in 3 unknowns (g, s and m) can be solved as follows.
m / 12 + 365 m /(52 x 12) + m = 120 or
52 m + 365 m + 624m = 624 x 120 or
m = 624 x 120 /1041 = 72.
So, I am 72 yearsold.
The problem is hard...i don't know if you understood this..Hope i helped!
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Answer:
y = 4x + 6
Step-by-step explanation:
2 = 4[-1] + b
-4
6 = b
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