Understanding Reverse Percent Problems

The video tutorial explains how to reverse percent problems to simplify calculations. It uses examples like 24% of 50 and 45% of 120 to demonstrate this method. The traditional approach of converting percent to decimal and multiplying is also covered. By reversing the problem, calculations become more intuitive and easier to solve.

How can reversing the percent problem 'What is 24% of 50?' simplify the calculation?

• By finding 50% of 24, which is easier to compute.

• By converting 24% to a fraction.

• By using a calculator to find the exact value.

• By estimating the value using rounding.

What is the result of converting 24% to a decimal and multiplying by 50?

• 10

• 12

• 20

• 15

What is the first step in solving 'What is 45% of 120?' by reversing the problem?

• Estimate the result using rounding.

• Multiply 45 by 120.

• Convert 45% to a decimal.

• Find 120% of 45.

How do you calculate 20% of 45 in the reversed problem?

• Multiply 45 by 0.2.

• Divide 45 by 5.

• Add 10% of 45 twice.

• Subtract 10% of 45 from 45.

What is the final result of finding 120% of 45?

• 45

• 54

• 60

• 50