Percent

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 total cost including sales tax?

Back

To calculate the total cost including sales tax, multiply the original price by the sales tax rate (as a decimal) and add it to the original price.

Front

If a pair of sandals costs $10.50 and there is a 7% sales tax, what is the total cost?

Back

Total cost = $10.50 + ($10.50 * 0.07) = $11.24.

Front

What does it mean to find a percentage of a number?

Back

Finding a percentage of a number means calculating how much that percentage represents out of the total number.

Front

If Adriana answered 86 problems correctly and scored 86%, how do you find the total number of problems on the test?

Back

To find the total number of problems, divide the number of correct answers by the percentage (as a decimal): 86 / 0.86 = 100.

Front

How do you calculate the number of students participating in a fundraiser if 60% of 160 students participate?

Back

Multiply the total number of students by the percentage: 160 * 0.60 = 96 students.

Front

What is the formula to find the percentage of a part compared to a whole?

Back

Percentage = (Part / Whole) * 100.

Front

In a class of 50 students, if 40% take the bus, how many students take the bus?

Back

Number of students taking the bus = 50 * 0.40 = 20 students.

Front

How do you find what percent one number is of another?

Back

Divide the part by the whole and multiply by 100: (Part / Whole) * 100.

Front

If there are 42 teachers and 29 showed up for work, what percent of the teachers were present?

Back

Percentage present = (29 / 42) * 100 = 69%.