Percent Proportions Review #2

Front

What is the formula to calculate percent?

Back

Percent = (Part / Whole) × 100

Front

If Eric earned 60 points out of 75, what is his percent grade?

Back

80%

Front

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

Back

To find a percent of a number means to calculate how much that percent represents in terms of the whole number.

Front

34% of what number is 51?

Back

150

Front

How do you calculate the percent of seats that are empty in a theater?

Back

Percent of empty seats = (Empty Seats / Total Seats) × 100

Front

If a theater has 250 seats and 225 are sold, how many are empty?

Back

25 seats are empty.

Front

What percent of 1,000 people knew the name of their Congressman if 80% did not?

Back

200 people knew the name.

Front

How do you find the number of students who do not take the bus if 40% do?

Back

Number of students not taking the bus = Total Students - (Total Students × 0.40) = 30.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and multiply by 100.