jeffersonpaul283
01.10.2019 •
Mathematics
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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Ответ:
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
Ответ:
its the samme thing.
Step-by-step explanation: