Percent Proportion Problems Flashcard

Front

What is a percent proportion problem?

Back

A percent proportion problem involves finding a part, whole, or percentage in relation to a given quantity, often expressed as a fraction of 100.

Front

How do you calculate the whole amount from a percentage?

Back

To find the whole amount when given a percentage, divide the part by the percentage (in decimal form). For example, if 25% of a number is 45, the whole number is 45 / 0.25 = 180.

Front

What is the formula to find the part when given the whole and the percentage?

Back

The formula to find the part is: Part = Whole x (Percentage / 100).

Front

If 60% of a number is 120, how do you find the number?

Back

To find the number, divide 120 by 0.60. So, the number is 120 / 0.60 = 200.

Front

What does it mean if 50% of a number is equal to the number itself?

Back

If 50% of a number equals the number itself, it means that the number is 0, since 50% of 0 is 0.

Front

How can you express 25% as a decimal?

Back

25% can be expressed as a decimal by dividing by 100, which gives 0.25.

Front

What is the relationship between part, whole, and percentage?

Back

The relationship is defined by the equation: Part = (Percentage / 100) x Whole.

Front

How do you convert a percentage to a fraction?

Back

To convert a percentage to a fraction, place the percentage over 100 and simplify if possible. For example, 75% = 75/100 = 3/4.

Front

What is the whole amount if 10% of a number is 5?

Back

To find the whole amount, divide 5 by 0.10, which equals 50.

Front

If 75% of a number is 150, how do you find the number?

Back

To find the number, divide 150 by 0.75. So, the number is 150 / 0.75 = 200.