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What do we call a fraction where the numerator is the number of units of one quantity and the denominator is the number of units of another quantity?
ratio
We want to complete the following definition.
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A relationship where for every x units of one quantity there are y units of another quantity is a ?. |
Now if we want to make two times more cupcakes we should use two times more eggs. This means that we need 2* 2=4 eggs to make 2* 12=24 cupcakes.
Notice that we can calculate the number of eggs needed for doing three times more cupcakes in a similar way. This is because the relationship between eggs and cupcakes will be always 2 eggs for 12 cupcakes. Number of eggs/Number of cupcakes=2/12 This type of relationship is called a ratio. Ratio is any relationship where we know that for x units of one quantity we always have y units of another quantity. Ratio=Units ofx/Units ofy With this information we are able to complete our definition.
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A relationship where for every x units of one quantity there are y units of another quantity is a ratio. |
