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En un avion viajan 120 personas de las cuales 2/3 de ellas no beben 4/5 de ellas no fuman 72 no fuman ni beben ¿cuantas personas fuman y beben?
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En un avion viajan 120 personas de las cuales

2/3 de ellas no beben
4/5 de ellas no fuman
72 no fuman ni beben
¿cuantas personas fuman y beben?

User Mahatmasamatman
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7.6k points

1 Answer

2 votes
2/3(120) = 240/3 = 80 do not drink
4/5(120) = 480/5 = 96 do not smoke
72 do not smoke or drink

96 - 72 = 24 do not smoke
80 - 72 = 8 do not drink
72 do not do either

120 - (24 + 8 + 72) = 120 - 104 = 16 drink and smoke
User Anmatika
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8.1k points
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