Percents

Front

What is the definition of 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 convert a percent to a fraction?

Back

To convert a percent to a fraction, divide the percent by 100 and simplify if possible.

Front

What fraction represents 65%?

Back

The fraction that represents 65% is 13/20.

Front

If 11 students represent 40% of the class, how do you find the total number of students?

Back

To find the total number of students, divide the number of students (11) by the percent (0.40). Total students = 11 / 0.40 = 27.

Front

What is the formula to calculate sales tax?

Back

Sales Tax = Price of Item x Sales Tax Rate.

Front

If an item costs $35 and the sales tax is 8%, how much is the sales tax?

Back

The sales tax is $2.80, calculated as $35 x 0.08.

Front

What is the percent of a shaded area if 1/3 of a model is shaded?

Back

The percent of the shaded area is 33.33%.

Front

How do you calculate the percent of a shaded portion in a model?

Back

To calculate the percent of a shaded portion, divide the area of the shaded part by the total area and multiply by 100.

Front

What is 37.5% expressed as a fraction?

Back

37.5% can be expressed as 3/8.

Front

How do you find the percent increase or decrease?

Back

Percent Increase = (New Value - Original Value) / Original Value x 100. Percent Decrease = (Original Value - New Value) / Original Value x 100.