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What is a ratio and how does it relate to a fraction?
A fraction is a ratio of a part to the whole. Ratios can represent this or a part to another part, as well.
What are the types of ratios?
The two types of ratios are part-to-part ratios and part-to-whole ratios. A part-to-part ratio is when you divide two groups from each other and count them as seperate. For example: 5 yellow cars to 3 orange cars. The ratio would be 5:3. A part-to whole ratio is when you take a group from the two groups, and then add the group up. Then you add the other group. For example: 7 grey ducks and 9 brown ducks, the ratio would be 7:16. So a part-to-whole ratio is like an over all answer, except for the first group.
How are ratios and fractions related?
fraction and decimals are both have similarities because they both express part of a whole.
Do atoms combine to form molecules in simple whole number ratios?
They do combine in whole number ratios, but these ratios need not be simple - particularly in some organic compounds.
What is a partitive proportion?
Partitive proportion is the identification of the parts of a whole based on given ratios. It is often accomplished by adding up the ratios and dividing the whole with the sum.
