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Mrs.
Ruffin
Unit 2
Ratios and Proportions
Ratios
Ratios- is a comparison of two or more quantities. Written in three forms.
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What is the ratio of stars to squares?
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2 : 3 , 2 to 3 , 2
3
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Rates
Rates-
Equivalent Ratios (Proportions)
Equivalent Ratios are simply equivalent Fractions
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Percent of a number
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30% of 65
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.30 x 65 = 19.5
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What Percent is it?
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Part = %
whole 100
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Percent Taxes and Tips​
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