In a school 40% of the students are girls. If 60% of the boys and 45% of the girls take part in sports, the percent of students who do not take part in sports is:

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Accepted Answer

46. Out of 100 students there are 60 boys and 40 girls. Those taking part = 0.60 × 60 + 0.45 × 40 = 36 + 18 = 54. So 100 − 54 = 46% do not take part. (54 is the share that does take part.)

In a school 40% of the students are girls. If 60% of the boys and 45% of the girls take part in sports, the percent of students who do not take part in sports is:

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