Ratios/Proportions

A ratio is

• comparing a bunch of numbers

• a comparison between 2 quantities

• an estimation of an amount

• a variable

A proportion is a

• ratio statement

• an "if-then" statement

• a statement of 2 ratios

• a comparison

All of the following are proper representations of a ratio EXCEPT

• a/b

• a to b

• a:b

• a over b

To solve for missing info in a proportion statement you must first

• Cross multiply

• Divide everything

• Get rid of variables

• Guess

In geometry what tends to happen to most problems

• they are hard to solve

• they turn in to decimals

• they become algebra problems

• they are easy to solve