Percent of a Number

Front

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

Back

Percentage = (Part / Whole) * 100

Front

If a student answers 19 out of 25 questions correctly, how do you calculate the percentage of correct answers?

Back

Percentage = (19 / 25) * 100 = 76%

Front

What does it mean if 35% of students did not attend an event?

Back

It means that 35 out of every 100 students did not attend.

Front

How do you find 35% of 80 students?

Back

35% of 80 = (35 / 100) * 80 = 28 students.

Front

What is 10% of a number?

Back

10% of a number can be calculated by multiplying the number by 0.10.

Front

Calculate 10% of 15.

Back

10% of 15 = 0.10 * 15 = 1.5.

Front

What does a 40% discount on a $25 jacket mean?

Back

A 40% discount means you pay 60% of the original price.

Front

How do you calculate the sale price after a discount?

Back

Sale Price = Original Price - (Discount Percentage * Original Price)

Front

What is the sale price of a $25 jacket after a 40% discount?

Back

Sale Price = $25 - (0.40 * $25) = $15.00.

Front

What does it mean to find 122% of a number?

Back

Finding 122% means you are calculating 122 parts out of 100 parts of that number.