#12A - Percent Proportions Flashcard

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you find what percent one number is of another?

Back

To find what percent one number (A) is of another number (B), use the formula: (A/B) * 100.

Front

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

Back

The formula is: Part = (Percent/100) * Whole.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 15% of 82, calculate 82 * 0.15.

Front

What is the first step to solve '90 is what percent of 450?'

Back

The first step is to set up the equation: (90/450) * 100.

Front

If 34% of a number is 51, how do you find the number?

Back

Set up the equation: 0.34 * Number = 51, then solve for Number.

Front

What does it mean to round to the nearest whole number?

Back

Rounding to the nearest whole number means adjusting a decimal number to the closest whole number.

Front

How do you find 25% of 28 students?

Back

To find 25% of 28, calculate: 28 * 0.25 = 7.

Front

What is the relationship between fractions and percentages?

Back

Fractions can be converted to percentages by multiplying by 100. For example, 1/4 = 0.25 = 25%.

Front

What is the significance of the term 'whole' in percentage problems?

Back

The 'whole' is the total amount or the reference value from which a percentage is calculated.