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Ratio

compares 2 quantities. It is a relationship where for every X units of one quantity there are Y units for another quantity

Terms

the quantities X and Y in a ratio

Porportion

A mathmatical statement that 2 ratios are equal

Rate

this is a special type of ratio that compares quantities with unlike units of measure. Examples include miles/hours, boys/class ect.

Unit rate

If the comarason is to 1 unit,the rate is called a...................