Percents: Missing Totals

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'.

Front

How do you find the total amount when given a percent and a part?

Back

To find the total amount, divide the part by the percent (in decimal form). For example, if 15 is 30% of a total, the total is 15 ÷ 0.30 = 50.

Front

What does it mean if 50% of a quantity is known?

Back

If 50% of a quantity is known, it means that half of the total amount is given. To find the total, multiply the known amount by 2.

Front

If 20 is 25% of a total, how do you find the total?

Back

To find the total, divide 20 by 0.25. The total is 20 ÷ 0.25 = 80.

Front

What is the formula to calculate a percentage of a number?

Back

The formula is: (Percentage / 100) * Total = Part.

Front

If 12 electric guitars represent 60% of total sales, how do you find total sales?

Back

To find total sales, divide 12 by 0.60. Total sales = 12 ÷ 0.60 = 20 guitars.

Front

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

Back

The relationship is expressed as: Part = (Percent / 100) * Whole.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 25% = 25 ÷ 100 = 0.25.

Front

If 129 is 43% of a total, how do you find the total?

Back

To find the total, divide 129 by 0.43. Total = 129 ÷ 0.43 = 300.

Front

What does it mean if a number is 100% of a total?

Back

If a number is 100% of a total, it means it is the entire amount. There is no other part.