Understanding Percentage Problems

This video tutorial covers the basics of solving percentage problems using a simple formula. It explains how to convert percentages to decimals and provides detailed steps for finding the part, whole, or percent in various scenarios. The video includes examples and shortcuts to make calculations easier, concluding with additional resources for further learning.

What is the basic formula used to solve percentage problems?

• Whole amount times percentage equals part

• Whole amount divided by percentage equals part

• Percentage times part equals whole amount

• Part divided by whole amount equals percentage

How do you convert 75% into a decimal?

• 75.0

• 7.5

• 0.75

• 0.075

If a number is followed by the word 'is', what does it usually represent in a percentage problem?

• The whole amount

• The part

• The percentage

• The decimal

In the problem 'What is 70% of 50?', what is the whole amount?

• 0.7

• 70

• 50

• 35

How do you find the whole amount if you know the part and the percentage?

• Add the part to the percentage

• Subtract the percentage from the part

• Divide the part by the percentage

• Multiply the part by the percentage

In the problem '7 is what percent of 20?', what is the part?

• 20

• 35%

• 7

• 0.35

What is the shortcut to find the part in a percentage problem?

• Subtract the percentage from the whole amount

• Add the whole amount to the percentage

• Multiply the whole amount by the percentage (as a decimal)

• Divide the whole amount by the percentage