Understanding Percentages

The video tutorial explains how to calculate twelve percent of one hundred fifty. It begins by converting the percentage to a decimal by moving the decimal point two places to the left, resulting in 0.12. This conversion is explained as a ratio of twelve to one hundred. The tutorial then demonstrates multiplying the decimal by the whole number, one hundred fifty, to find the result, which is eighteen. The video concludes by confirming that eighteen is twelve percent of one hundred fifty.

What is the first step in finding a percentage of a whole number?

• Add the percentage to the whole number

• Multiply the whole number by 100

• Convert the percentage to a decimal

• Divide the whole number by the percentage

How do you convert twelve percent to a decimal?

• Move the decimal point two places to the left

• Multiply by 100

• Divide by 10

• Move the decimal point two places to the right

What is twelve percent as a decimal?

• 0.12

• 1.2

• 0.012

• 12.0

What is the next step after converting a percentage to a decimal?

• Divide the whole number by the decimal

• Subtract the decimal from the whole number

• Multiply the decimal by the whole number

• Add the decimal to the whole number

What is twelve percent of one hundred fifty?

• 12

• 150

• 15

• 18