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The average height of 10 students in a class is 66 inches. What is the
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24 Jul 2023, 00:40
24 Jul 2023, 00:40
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The average height of 10 students in a class is 66 inches. What is the sum of the heights of all the 10 students of the class? (1 foot = 12 inches)
A. 45 feet
B. 50 feet
C. 55 feet
D. 65 feet
E. 70 feet
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A. 45 feet
B. 50 feet
C. 55 feet
D. 65 feet
E. 70 feet
Post A Detailed Correct Solution For The Above Questions And Get Kudos.
Question From Our Project: Free GRE Prep Club Tests in Exchange for 20 Kudos
\(\Longrightarrow\) GRE - Quant Daily Topic-wise Challenge
\(\Longrightarrow\) GRE Math Essentials - A most comprehensive handout!!
\(\Longrightarrow\) Free Materials for the GRE General Exam - Where to get it!!
\(\Longrightarrow\) Best GRE Test Books of 2023
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Re: The average height of 10 students in a class is 66 inches. What is the
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25 Jul 2023, 07:55
25 Jul 2023, 07:55
1
Expert Reply
To find the sum of the heights of all 10 students, you can simply multiply the average height by the number of students.
Average height of 10 students = 66 inches
Total height of all 10 students = 66 inches * 10 students
Now, let's convert the total height from inches to feet:
1 foot = 12 inches
Total height in feet = (66 inches * 10 students) / 12 inches per foot
Total height in feet = 660 inches / 12 inches per foot
Total height in feet = 55 feet
So, the correct answer is:
C. 55 feet
Average height of 10 students = 66 inches
Total height of all 10 students = 66 inches * 10 students
Now, let's convert the total height from inches to feet:
1 foot = 12 inches
Total height in feet = (66 inches * 10 students) / 12 inches per foot
Total height in feet = 660 inches / 12 inches per foot
Total height in feet = 55 feet
So, the correct answer is:
C. 55 feet
gmatclubot
Re: The average height of 10 students in a class is 66 inches. What is the [#permalink]
25 Jul 2023, 07:55
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