How To Solve Ratios Problems

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When scaling ratios up or down, always remember that the same unit of measurement must be applied to both sides; i.e. As a result, the piece of fabric must be 120mm wide.

4 - Writing a ratio in the form 1:n or n:1 As well as being able to write a ratio in its simplest form, you must also be able to write a ratio in the form: 1:n or n:1 where 'n' can be any whole number, fraction or decimal.

You can do this by adding up the number values in the ratio to get a total. This means that you need to share the money into 5 equal parts.

Now you need to calculate the amount which one part will receive.

Ratios are mathematical expressions that compare two or more numbers.

You multiply this number by each of the numbers of the ratio: 35 x 2 = 70, and 35 x 3 = 105. Both numbers added give you the total of 175 dollars.The mathematical term 'ratio' defines the relationship between two numbers of the same kind.The relationship between these numbers is expressed in the form "a to b" or more commonly in the form: a : b A ratio is used to represent how much of one object or value there is in relation to another object or value.This means that, for every 2 units of height, there must be 3 units of width.Consequently, if the piece of fabric was extended to be 20m high, it must be 30m wide. For example, if the piece fabric was made 80mm high, its width must be of the same unit of measurement and retain the rules of the ratio 2:3.For example: If there are 10 apples and 5 oranges in a bowl, then the ratio of apples to oranges would be 10 to 5 or 10:5. In contrast, the ratio of oranges to apples would be 1:2.In the new linear GCSE Maths paper, you will be required to solve various mathematical problems involving ratios.This is because fractions and ratios share many fundamental properties.Once you understand these properties, you can use ratios to solve various real-world problems.2 - Equivalent ratios Equivalent ratios are ratios which all have the same meaning.For example : 1:4 , 2:8 , , 2000 All of these ratios have the same meaning: that the amount of variable 'b' is 4 times the amount of variable 'a'.


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