The word percent comes from the Latin word

per centum

per centum translates into…

Per 100

this symbol %bis used to denote what

percent

Percent To Decimal

Decimal 2 Place values Left

Decimal to Percent

Decimal 2 Place values Right

when writing a percent as a fraction it is usually written in ____ ____

Simplest Form

Percent to Fraction

1)%/B x 1/100 2)Simplify

How to change a mixed fraction percent into a fraction

1) Remove the % and convert the mixed fraction into a improper fraction 2) Multiply times 0.01

Fraction to Percent

A/B x 100/1

Percent Decimal Combo to Fraction

1) %/B x 1/100 2) Move Decimal point of Numerator to make it a whole # and adjust Denom. accordingly.

In a percent problem the word “of” means…

Multiplication

In a percent problem the word “is” means…

Equals

In a percent problem the word “What, or some equivalent” means…

the variable

When solving percent problems there are three factors, they are

The Percent, The Base, The Amount.

The typical formula for for percent equations are…

Percent x Base = Amount (or any variation)

In order to solve a Percent Equation, ______ the equation and then convert the percent to a _____ and solve

Translate/Decimal

After solving the equation if the variable was the percentage dont forget to convert from _____ to _____

Decimal/Percent

One ratio which represents a part of a quantity that compares to the whole quantity using a percent.

Percent Proportion

What is the Formula for a Percent Proportion

amount/base=%/100

To identify the Amount in word problems…

Look for the quantity compared to the whole

To identify the Base in word problems…

Look for what is followed after the word ‘of’

To Identify the Percent in word problems…

Look for the word “Percent” or the “% sign”

What are the two ways to solve a percent problem?

A “Percent Equation” or A Percent Proportion

After making a percent proportion you can ______ the proportion before solving.

Simplify

Formula for Percent increse

Percent increse = Amount of increse / original amount

Formula for Percent decrese

pecent decrese= amount of decrese/ original amount

After you solve for the percent increse/decrese the answer will be in_____ form. Dont forget to convert it to ______ form.

Decimal/ Percent

Formula for sales tax

sales tax = tax rate x purchase price

Total= Purchase price= sales tax

The formula for commisson

Commission = Commission Rate x Sale

Formula

Discount + Sale Price

Amount of discount= Discount rate x Original Price

Sale Price= Original price - Amount of discount