Percent Expressions

Percent

Vocabulary

-Mark Up

" The increase from what the store pays to the selling price to make a profit" 

-Markdown/Discount

" A decrease in the original price of an item. " 

-Percent

" Percent means out of 100 and is written with the symbol % " 

-Percent Proportion

" A proportion where one ratio compares part of a quantity to the whole quantity and the other ratios is the equivalent " 

-Percent Equation

" A percentage equation is one that is used to find proportions or ratios of different numbers " 

-Percent of Error

" The difference between a measure of experiment value and an accepted or known value " 

-Percent Change

" Percent change is how much and amount increases or decreases. " 

- Simple Interest

" Simple Interest is money paid or earned only on the principal .

I=PRT"