Create a relationship in words for a given ratio expressed symbolically.
The student will describe and compare data, using ratios, and will use appropriate notations, such as 𝑎/𝑏, 𝑎 to 𝑏, and 𝑎:𝑏.
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A proportion is an equation which states that two ratios are equal. When solving a proportion, the ratios may first be written as fractions.
Simple interest (𝛪) for a number of years is determined by finding the product of the principal (𝑝), the annual rate of interest (𝑟), and the number of years (𝑡) of the loan or investment using the formula 𝛪 = 𝑝𝑟𝑡.
Given a proportional relationship between two quantities, create and use a ratio table to determine missing values.
A proportion is a statement of equality between two ratios. A proportion can be written as 𝑎/𝑏 = 𝑐/𝑑, 𝑎:𝑏 = 𝑐:𝑑, or 𝑎 is to 𝑏 as 𝑐 is to 𝑑.
Write proportions that represent equivalent relationships between two sets.