nnnnnhamilton7572
14.06.2021 •
Mathematics
Một đoàn tình nguyện đến một trường tiểu học miền núi để trao tặng 20 suất quà cho 10em học sinh nghèo học giỏi. Trong 20 suất quà đó gồm 7 chiếc áo mùa đông,9 thùng sữa tươi và 4chiếc cặp sách. Tất cả các suất quà đều có giá trị tương đương nhau. Biết rằng mỗi em nhận hai suất quà khác loại (ví dụ một chiếc áo và một thùng sữa tươi). Trong số các em được nhận quà có hai em Việt và Nam. Tính xác suất để hai em Việt và Nam đó nhận được suất quà giống nhau?
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Ответ:
C, He got that answer by thinking that the question was asking how much Mr.McClary's class made
Step-by-step explanation:
Mrs.Shen Raised $120
Mr. McClary raised $60 (50% of 120)
120
+60
180