ACT Prep Math

Front

What is take-home pay?

Back

Take-home pay is the amount of money an employee receives after all deductions (like taxes and insurance) are taken from their gross pay.

Front

How do you calculate the percentage of a number?

Back

To calculate the percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 18% of $320, calculate 320 * 0.18 = $57.60.

Front

What is the formula for finding the median of a set of numbers?

Back

To find the median, arrange the numbers in ascending order and identify the middle number. If there is an even number of observations, the median is the average of the two middle numbers.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of their variables.

Front

How do you find the mean of a set of numbers?

Back

To find the mean, add all the numbers together and then divide by the total count of the numbers.

Front

What is the formula for calculating a percentage?

Back

The formula for calculating a percentage is: (part/whole) * 100.

Front

What is the difference between gross pay and net pay?

Back

Gross pay is the total earnings before any deductions, while net pay (or take-home pay) is what remains after deductions.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 80% becomes 0.80.

Front

What is the significance of the median in a data set?

Back

The median provides a measure of central tendency that is less affected by outliers than the mean.

Front

How do you determine if a fraction is equivalent to a percentage?

Back

To determine if a fraction is equivalent to a percentage, convert the fraction to a decimal and then multiply by 100.