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Of the total number of students enrolled
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05 Dec 2019, 13:12
05 Dec 2019, 13:12
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Of the total number of students enrolled at University U in the fall of 2008, \(\frac{3}{8}\) were sophomores and \(\frac{1}{50}\) were biology majors. Which of the following could be the total number of students enrolled at University U in the fall of 2008?
Indicate all such numbers.
A. 7,000
B. 7,040
C. 7,050
D. 7,100
E. 7,125
F. 7,200
Kudos for the right answer and explanation
Indicate all such numbers.
A. 7,000
B. 7,040
C. 7,050
D. 7,100
E. 7,125
F. 7,200
Kudos for the right answer and explanation
Re: Of the total number of students enrolled
[#permalink]
15 Jan 2020, 07:43
15 Jan 2020, 07:43
1
Carcass wrote:
Of the total number of students enrolled at University U in the fall of 2008, \(\frac{3}{8}\) were sophomores and \(\frac{1}{50}\) were biology majors. Which of the following could be the total number of students enrolled at University U in the fall of 2008?
Indicate all such numbers.
A. 7,000
B. 7,040
C. 7,050
D. 7,100
E. 7,125
F. 7,200
Kudos for the right answer and explanation
Indicate all such numbers.
A. 7,000
B. 7,040
C. 7,050
D. 7,100
E. 7,125
F. 7,200
Kudos for the right answer and explanation
Here,
Let's take 400 as the total number of students, as it is easily cancels out by 8 and 50 to give an integer value
i.e No of sophomores = \(400 * \frac{3}{8} = 150\)
No. of biology major = \(400 * \frac{1}{50} = 8\)
Now, check out the answer options, divide each option by 400 and any option have an integer value is/are the answer/s
Only A and F give out an integer value and could be the total no. of students enrolled.
Re: Of the total number of students enrolled
[#permalink]
24 Apr 2020, 02:12
24 Apr 2020, 02:12
3
pranab223 wrote:
Carcass wrote:
Of the total number of students enrolled at University U in the fall of 2008, \(\frac{3}{8}\) were sophomores and \(\frac{1}{50}\) were biology majors. Which of the following could be the total number of students enrolled at University U in the fall of 2008?
Indicate all such numbers.
A. 7,000
B. 7,040
C. 7,050
D. 7,100
E. 7,125
F. 7,200
Kudos for the right answer and explanation
Indicate all such numbers.
A. 7,000
B. 7,040
C. 7,050
D. 7,100
E. 7,125
F. 7,200
Kudos for the right answer and explanation
Here,
Let's take 400 as the total number of students, as it is easily cancels out by 8 and 50 to give an integer value
i.e No of sophomores = \(400 * \frac{3}{8} = 150\)
No. of biology major = \(400 * \frac{1}{50} = 8\)
Now, check out the answer options, divide each option by 400 and any option have an integer value is/are the answer/s
Only A and F give out an integer value and could be the total no. of students enrolled.
When 7000 is divided by 400 you don't get an integer
