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PRE-ALGEBRALesson 90 of 171

RATIO

Introduction to Ratios

Students learn that a ratio is a comparison of two numbers or quantities. For example, if there are 2 shaded parts of a picture and 7 unshaded parts, the ratio of shaded parts to unshaded parts is 2 to 7. Note that the ratio 2 to 7 can also be written as 2:7 or 2/7. And since a ratio more...

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*Also referred to as Elementary Algebra or Beginning Algebra.

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