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Question

A survey was made to find the type of music that a certain group of young people liked in a city.

Adjoining pie chart shows the findings of this survey.
From this pie chart, answer the following:

If a cassette company were to make 1,000 CDs, how many of each type would they make?

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Solution

CD’s of classical music is 10% of 1,000 which equals 10×1,000100=100 CD's

CD’s of semi-classical music is 20% of 1,000 which equals 20×1,000100=200 CD's

CD’s of light music is 40% of 1,000 which equals 40×1,000100=400 CD's

CD’s of folk music is 30% of 1,000 which equals 30×1,000100=300 CD's

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