base

In a percent proportion the whole quanity or the number to which the par is being compared ...part over ______

cross products

if a/c = b/d then ad=bc

discount

the amount by which the regular price of an item is reduced

experimental probability

what actually occures in probability experiment

outcomes

possible results of a probability event

percent

a ratio that compares a number to 100

percent equation

An equivalent form of percent proportion where % is written as a decimal Past = percent x base

percent of change

the ratio of the increase or decrease of an amount to the original amount

percent proportion

one of the numbers called the past is being compared to the whole quality called the base. Past/base= percent/100 or a/b=8/100

probability

the ratio of the numbers of ways a certain event can accur to the number of possible outcomes. P(event)= nuimber of favorable outcomes/number of possible outcomes

proportion

a statement of equality of two or more rations a/b=c/d

ratio

a comparison of two numbers division

sample space

the set of all possible outcomes

scale

the relationship between the measurement on a srawing or model and the measurments of the real object

scale drawing or scale model

a drawing that is used to repesent an object that is too loarge or too small. to be drawn at actual size.

scale factor

the ratio of a length on a scale drawing model to the corresponding lengths on the real objext

simple event

One outcome or a collection of outcomes.

simple interest

The amount of money paid or earned for the use of money

theoretical probability

What should occur in a probability experiment

unit rate

when a rate is simplified so that it has a denominator of 1