in a group of 100 students, 80 students choose blue colour while 50 students choose pink colour. every student has to choose at least one of the colours. how many students choose both the colours as their favourite colour?
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30 is the answer pls mark me as brainliest
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Number of students 100.
number of students chose blue = 80
number of students chose pink = 50
therefore students choose blue + students choose pink
therefore = 80 + 50 = 130.
therefore no. of students choose both the colours
= 100 - 130 = 30
therefore 30 students choose both the colours.
hope it helps.
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