# Chapter 7 Terms Flashcards Preview

## Pre-Algebra > Chapter 7 Terms > Flashcards

Flashcards in Chapter 7 Terms Deck (30)
1
Q

The word percent comes from the Latin word

A

per centum

2
Q

per centum translates into…

A

Per 100

3
Q

this symbol %bis used to denote what

A

percent

4
Q

Percent To Decimal

A

Decimal 2 Place values Left

5
Q

Decimal to Percent

A

Decimal 2 Place values Right

6
Q

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

A

Simplest Form

7
Q

Percent to Fraction

A

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

8
Q

How to change a mixed fraction percent into a fraction

A

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

9
Q

Fraction to Percent

A

A/B x 100/1

10
Q

Percent Decimal Combo to Fraction

A

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

11
Q

In a percent problem the word “of” means…

A

Multiplication

12
Q

In a percent problem the word “is” means…

A

Equals

13
Q

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

A

the variable

14
Q

When solving percent problems there are three factors, they are

A

The Percent, The Base, The Amount.

15
Q

The typical formula for for percent equations are…

A

Percent x Base = Amount (or any variation)

16
Q

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

A

Translate/Decimal

17
Q

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

A

Decimal/Percent

18
Q

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

A

Percent Proportion

19
Q

What is the Formula for a Percent Proportion

A

amount/base=%/100

20
Q

To identify the Amount in word problems…

A

Look for the quantity compared to the whole

21
Q

To identify the Base in word problems…

A

Look for what is followed after the word ‘of’

22
Q

To Identify the Percent in word problems…

A

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

23
Q

What are the two ways to solve a percent problem?

A

A “Percent Equation” or A Percent Proportion

24
Q

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

A

Simplify

25
Q

Formula for Percent increse

A

Percent increse = Amount of increse / original amount

26
Q

Formula for Percent decrese

A

pecent decrese= amount of decrese/ original amount

27
Q

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

A

Decimal/ Percent

28
Q

Formula for sales tax

A

sales tax = tax rate x purchase price

Total= Purchase price= sales tax

29
Q

The formula for commisson

A

Commission = Commission Rate x Sale

30
Q

Formula

Discount + Sale Price

A

Amount of discount= Discount rate x Original Price

Sale Price= Original price - Amount of discount