7th Grade Percent Word Problems

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 x 0.20 = 10.

Front

What is a tip and how is it calculated?

Back

A tip is a small amount of money given to someone for their service. It is often calculated as a percentage of the total bill.

Front

What is the formula for percent change?

Back

Percent Change = ((New Value - Old Value) / Old Value) x 100.

Front

How do you find the total earnings from a salary and commission?

Back

Total Earnings = Base Salary + (Commission per Transaction x Number of Transactions).

Front

What is simple interest?

Back

Simple interest is calculated on the principal amount only, not on the interest accrued. The formula is: Interest = Principal x Rate x Time.

Front

How do you calculate the new price after a discount?

Back

New Price = Original Price - (Original Price x Discount Rate).

Front

What is a loan?

Back

A loan is a sum of money borrowed that is expected to be paid back with interest.

Front

What does it mean to have a percentage off?

Back

Having a percentage off means that the price of an item is reduced by that percentage of its original price.

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, 25% becomes 0.25.