Definitions for keywords .

Today , Harbeck told us to tell us the definitions of the keywords , here they are :


two-term ratio- this means comparing two quantities measured in the same units.


three-term ratio- this means comparing three quantities measured in the same units .


part-to-part ratio- this means comparing different parts of a group together.


part-to-whole ratio- this means comparing one part of a group to the whole group


rate- the comparison of two quantities measured in different units.


unit rate- A rate in which the second term is 1


unit place- A unit rate that involves prices. Often shown per 100 g or 100 mL.


proportion- An equation that says that two ratios or two rates are equal. It can be written
infraction form as 1/4 = 25/100.

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