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A school has a student-to-teacher ratio of 25 to 2. The average (arith
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17 Oct 2023, 23:57
17 Oct 2023, 23:57
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A school has a student-to-teacher ratio of 25 to 2. The average (arithmetic mean) annual salary for teachers is $42,000. If the school pays a total of $3,780,000 in annual salaries to its teachers, how many students does the school have?
(A) 900
(B) 1,000
(C) 1,125
(D) 1,230
(E) 1,500
(A) 900
(B) 1,000
(C) 1,125
(D) 1,230
(E) 1,500
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Free Materials for the GRE General Exam - Where to get it!!
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Free Materials for the GRE General Exam - Where to get it!!
GRE Geometry Formulas
GRE - Math Book
Re: A school has a student-to-teacher ratio of 25 to 2. The average (arith
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13 Jan 2024, 06:25
13 Jan 2024, 06:25
Expert Reply
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Re: A school has a student-to-teacher ratio of 25 to 2. The average (arith
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30 Mar 2024, 11:37
30 Mar 2024, 11:37
1
A) Find Total number of Teachers -
( Total = Avg * No of T )
No of T = 3780000 / 42000 = 90
B) student-to-teacher ratio 25 : 2
Total no of students-to-teacher ratio x / 90
25 /2 = x / 90
x = 1125
( Total = Avg * No of T )
No of T = 3780000 / 42000 = 90
B) student-to-teacher ratio 25 : 2
Total no of students-to-teacher ratio x / 90
25 /2 = x / 90
x = 1125
