Percent Equations

Front

What is a percent equation?

Back

A percent equation is a mathematical statement that shows the relationship between a part, a whole, and a percentage. It is often written in the form: part = percent × 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, 46% becomes 0.46.

Front

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

Back

The formula is: whole = part / percent.

Front

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

Back

The formula is: part = percent × whole.

Front

What is 32% of 208?

Back

0.32(208) = 66.56.

Front

What is 45% of 625?

Back

0.45(625) = 281.25.

Front

What percent of 50 is 20?

Back

(20 / 50) × 100 = 40%.

Front

What percent of 500 is 25?

Back

(25 / 500) × 100 = 5%.

Front

How do you set up an equation for '75 is 46% of what number'?

Back

75 = 0.46x.

Front

How do you set up an equation for '32% of 208 is what number'?

Back

0.32(208) = x.