Percent and Rational Number Word Problems

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

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

Back

The formula to calculate the percentage of a number is: (Percentage Rate / 100) * Total Amount.

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), then add that amount to the original price.

Front

What is the process to find the remaining amount after a certain percentage is used?

Back

To find the remaining amount after a certain percentage is used, subtract the used percentage from 100%, then multiply the total amount by the remaining percentage (as a decimal).

Front

How do you find the total amount paid back when repaying a loan with a fixed percentage of income?

Back

To find the total amount paid back, divide the total loan amount by the percentage of income allocated for repayment, then multiply by the weekly income.

Front

What is the significance of rounding in financial calculations?

Back

Rounding in financial calculations is significant because it ensures that amounts are expressed in a standard format (e.g., to the nearest cent) and helps avoid discrepancies in transactions.

Front

How do you calculate the total number of items shared equally among a group?

Back

To calculate the total number of items shared equally among a group, divide the total number of items by the number of people in the group.

Front

What is the method to calculate the unread portion of a shared item?

Back

To calculate the unread portion of a shared item, first determine how much each person has read, then subtract the total read from the total items.

Front

What is the relationship between fractions and percentages?

Back

Fractions and percentages are two ways of expressing a part of a whole; a percentage is a fraction with a denominator of 100.