How to write the percent of a number by using a proportion, 7% of 35

The video tutorial explains how to calculate 7% of a number using cross product and scientific notation. It begins with setting up the problem, then demonstrates the calculation process, including converting percentages to decimals and solving for X. The tutorial also covers the elimination of percentage units and the use of scientific notation for division, concluding with practical applications of the concepts.

What is the initial problem the teacher sets up in the video?

• Finding 7% of 100

• Determining 100% of 35

• Finding a number out of 35 equivalent to 7% of 100%

• Calculating 35% of 7

Which method does the teacher use to solve the percentage problem?

• Subtraction

• Division

• Cross Product

• Addition

What is the result of multiplying 35 by 7% according to the teacher?

• 245%

• 35%

• 7%

• 100%

How does the teacher suggest eliminating percentages in the equation?

• By subtracting 100

• By dividing by 100%

• By adding 100

• By multiplying by 100%

What happens to the decimal point when dividing by 100?

• It moves to the left

• It stays the same

• It moves to the right

• It disappears