Percent Proportion

Front

What is the formula to calculate percent using a part and a whole?

Back

part/whole = %/100

Front

If Phil missed 11 questions on an 88 question test, how do you calculate his grade?

Back

Grade = (Total Questions - Missed Questions) / Total Questions * 100 = (88 - 11) / 88 * 100 = 87.5%.

Front

How many students are home sick if 25% of 28 students are absent?

Back

25% of 28 = 0.25 * 28 = 7 students.

Front

Convert 0.128 to a percent.

Back

0.128 * 100 = 12.8%.

Front

What proportion would you use to solve '5 is 10% of what number?'

Back

Front

What does 87.5% represent in terms of a fraction?

Back

87.5% = 87.5/100 = 7/8.

Front

How do you express 50% as a decimal?

Back

50% = 0.50.

Front

If a shirt costs $40 and is on sale for 25% off, what is the sale price?

Back

Sale Price = Original Price - (Discount * Original Price) = $40 - (0.25 * $40) = $30.

Front

What is the relationship between percent, part, and whole?

Back

Percent is a ratio that compares a part to a whole, expressed as part/whole = %/100.

Front

How do you find 10% of a number?

Back

To find 10% of a number, divide the number by 10.