Percent Proportions

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 calculate the percentage of a number?

Back

To calculate the percentage of a number, multiply the number by the percentage (as a decimal) and then divide by 100.

Front

What is the formula to find the total when given a part and its percentage?

Back

Total = Part / (Percentage / 100).

Front

If 5% of a total is 35, how do you find the total?

Back

Total = 35 / 0.05 = 700.

Front

How do you calculate the percentage of correct answers on a test?

Back

Percentage of correct answers = (Number of correct answers / Total number of questions) x 100.

Front

If a student answers 36 questions correctly out of 40, what is their percentage score?

Back

Percentage score = (36 / 40) x 100 = 90%.

Front

What does it mean to find the percent of a quantity?

Back

Finding the percent of a quantity means determining how much of that quantity corresponds to a given percentage.

Front

How do you find the percentage of students absent if 25% of 28 students are home sick?

Back

Number of students home sick = 28 x 0.25 = 7 students.

Front

What is the formula to calculate earnings based on a percentage of sales?

Back

Total earnings = Salary + (Sales x Commission Rate).

Front

If Taylor earns 28% on $1225 in sales, how much does she earn from sales?

Back

Earnings from sales = 1225 x 0.28 = $343.