Question

SAFF (Students against Fatty Food) is a group of students who are protesting the food in high school cafeterias. At a recent rally, the students covered the first 40 yards by 40 yards of the football field. There were 24 students in each 8 feet by 8 feet square. What steps would you take to determine how many students were present at the rally?
Convert yards to feet, then divide by feet square and multiply by the number of students.


Multiply the feet by the number of students.


Multiply yards by feet and divide by the number of students


Multiply the number of students by the yards of the football field.

Answer 1

Answer:

The total area covered by students is 40 yd x 40 yd = 1600 yd^2

 

24 students covered 8 ft x 8ft  or (8 ft x 1 yd/3 ft)^2 = [(8/3) yard]^2 = (64/9) yd^2

 

Therefore, you need the amount of students per yard or 24 students/(64/9) yd^2

 

and multiply (students/yd^2)  x  (area covered by students) = number of total students present

 

Therefore:   number of students present = 24 students/(64/9) yd^2 x 1600 yd^2 = 5400 students

Step-by-step explanation:

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