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den14
14.02.2021 •
Mathematics
Mary planed to go to a movie theatre or a shopping mall or a park. She wanted to go with any one of the friends: Linda, Lisa, Maria, or Barbara. Find the probability that Mary went out to a shopping mall with Barbara.
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Ответ:
Ответ:
1/4 or 25%
Step-by-step explanation:
She has 4 friends and if the chances for each of them are equal it would be 1/4 in fraction form or 25% as percentage.
Ответ:
2x-4+50=100
2x-4=50
2x=54
x=27º
2x+4x=90
6x=90
x=15º