ACT SAT Prep How to determine the percentage of a group of students

The video tutorial explains how to calculate the percentage of females in a group of students. It reviews a similar problem from a previous test and provides a step-by-step solution using proportions. Alternative methods, such as using cross products, are also discussed. The tutorial concludes with a summary of the methods covered.

What is the total number of students in the group?

• 30

• 10

• 25

• 16

How many female students are there in the group?

• 10

• 25

• 16

• 20

Which equation is used to find the percentage of a part in a whole?

• whole = part percentage/100%

• part/whole = part percentage/100%

• whole/part = 100%/part percentage

• part percentage = whole/part

What is the percentage of female students in the group?

• 50%

• 80%

• 64%

• 75%

What is the result of dividing 1600 by 25 in the context of this problem?

• 16%

• 100%

• 64%

• 25%