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Ratio/Proportion

Ratios are used to compare two quantities.
Terms is the name given to the numbers in a ratio

XXXYY
The above ratio of X's to Y's can be written 3 ways:
3 to 2 3:2, and 3 over 2 (like a fraction )

Proportion - is used to find if 2 ratios are equal or when the ratios are considered equal to find the missing number.

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Ratio

Proportion

Probability

Proportion Part 2
   
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