Understanding Percentages

The video tutorial explains how to calculate 20% of 150 using the is-over-of method. It begins by setting up the equation with known values, then uses cross-multiplication to solve for the unknown. The final calculation shows that 30 is 20% of 150, providing a clear understanding of percentage calculations.

What is the problem that needs to be solved in this tutorial?

• Finding 20% of 150

• Calculating 10% of 100

• Finding 30% of 200

• Determining 50% of 300

Which formula is used to solve the problem in the tutorial?

• distance equals rate times time

• is over of equals percent over 100

• a squared plus b squared equals c squared

• area equals length times width

What is the missing variable in the equation used in the tutorial?

• W

• X

• Z

• Y

What operation is used to solve for X in the equation?

• Subtraction

• Cross-multiplication

• Division

• Addition

What is the final value of X, representing 20% of 150?

• 25

• 35

• 20

• 30