Everyday maths 2 (Wales)

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# 10 Ratio

As you can see from Figure 14, ratio is an important part of everyday life.

Figure 14 Day-to-day ratio

It is important to understand how to tell which part of the ratio is which. If for example, you have a group of men and women in the ratio of 5:4, as the men were mentioned first, they are the first part of the ratio.

The order of the ratio is very important. Consider the following:

Julia attends a drama club where 100 members are men and 150 members are women. What is the ratio of women to men at the drama club?

Notice how the information that you need to answer the question is given in the opposite order to that required in the answer. It is very important that you give the parts of the ratio in the correct order.

The ratio of women to men is 150:100

If you were asked for the ratio of men to women it would be 100:150

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