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Mathematics, 13.12.2020 06:40 xwalker6772

De un grupo de 85 personas, 40 estudien y 50 trabajan, 10 estudian y trabajan. a) ¿Cuántas no estudian y trabajan?
b) ¿Cuántas personas únicamente se dedican a estudiar?
c) ¿Cuántas personas únicamente se dedican a trabajar?

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De un grupo de 85 personas, 40 estudien y 50 trabajan, 10 estudian y trabajan. a) ¿Cuántas no estud...
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