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12 Terms
What is a ratio?
A ratio is a relationship between two numbers indicating how many times the first number contains the second.
How is a ratio expressed?
A ratio can be expressed in three ways: as a fraction, with a colon (e.g., 3:2), or using the word 'to' (e.g., 3 to 2).
What is a part-to-whole ratio?
A part-to-whole ratio compares a part of a quantity to the whole quantity.
What is a part-to-part ratio?
A part-to-part ratio compares two parts of a quantity to each other.
How do you find a ratio from two quantities?
To find a ratio from two quantities, divide each quantity by their greatest common factor.
What is the formula for the ratio of two variables, x and y?
The ratio of two variables, x and y, is expressed as \frac{x}{y}.
How can you set up a proportion using ratios?
A proportion is an equation that states that two ratios are equal, for example, \frac{a}{b} = \frac{c}{d}.
What does it mean to solve for a variable in a ratio equation?
To solve for a variable in a ratio equation means to find the value of that variable that makes
