Finding the Part, Whole, or Percent (A)

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is often used to compare quantities.

Front

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

Back

To find the whole, divide the part by the percent (in decimal form). For example, if 25 is 50% of a number, the whole is 25 ÷ 0.5 = 50.

Front

If 75% of a tank is filled with 15 gallons, how do you find the total capacity of the tank?

Back

Divide the amount of gas (15 gallons) by the percent (0.75). Total capacity = 15 ÷ 0.75 = 20 gallons.

Front

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

Back

The formula is: Percentage = (Part/Whole) × 100.

Front

If there are 568 apples and 50% are green, how do you find the number of green apples?

Back

Multiply the total number of apples (568) by the percent (0.50). Number of green apples = 568 × 0.50 = 284 apples.

Front

How do you calculate the part when you know the whole and the percent?

Back

Multiply the whole by the percent (in decimal form). For example, if the whole is 200 and the percent is 30%, the part is 200 × 0.30 = 60.

Front

What does it mean if a fruit accounts for 35% of total sales?

Back

It means that 35 out of every 100 units sold are that fruit. If total sales are $200, then $70 (35% of $200) comes from that fruit.

Front

If 25% of 32 desks are broken, how do you find the number of broken desks?

Back

Multiply the total number of desks (32) by the percent (0.25). Number of broken desks = 32 × 0.25 = 8 desks.

Front

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

Back

The relationship is defined by the formula: Part = (Percent × Whole).

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and then multiply by 100.