Mathematics, 12.03.2020 00:25 haleylayne74

In a school of 500 pupils, 20% learn Latin, 40% learn Spanish and 60% learn French. If half the pupils learn 2 languages and no one learns more than two, how many pupils do not learn one of these languages at school

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In a school of 500 pupils, 20% learn Latin, 40% learn Spanish and 60% learn French. If half the pupi...