Цитата loki_1 (
)
E
Цитата Celentano (
)
E
Именно)Добавлено (24.02.17, 16:35)
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Следующая задача:
At a monthly meeting 2/5, of the attendees were malesand 7/8 of the male attendees arrived on time. If 9/10 of the female attendees arrived on time, what fraction ofthe attendees at the monthly meeting did not arrive ontime? A 11/100
B 3/25
C 7/50
D 3/20
E 4/25