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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:(i) If 20 people liked classical music, how many young people were surveyed?(ii) Which type of music is liked by the maximum number of people? (iii) If a cassette company were to make 1000 CD’s, how many of each type would they make? |
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Answer» (i) 10% represents 100 people. Therefore 20% represents = 100 x 20/10 = 200 pepole Hence, 200 people were surveyed. (ii) Light music is liked by the maximum number of people. (iii) CD’s of classical music = 10 x 1000/100 = 100 CD’s of semi-classical music = 20 x 1000/100 = 100 CD’s of light music = 40 x 1000/100 = 400 CD’s of folk music = 30 x 1000/100 = 300 |
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