skater9919
21.05.2021 •
Mathematics
HELP ASAP PLS
A science class has 4 girls and 4 boys in the seventh grade and 7 girls and 3 boys in the eighth grade. The teacher randomly selects a seventh grader and an
eighth grader from the class for a competition. What is the probability that the students she selects are both boys?
Write your answer as a fraction in simplest form.
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Ответ:
7/18
Step-by-step explanation:
Total Number of Boys in both grades:
4+3=7
Total Number of Students:
8+10=18
Number of boys/ number of students:
7/18
Ответ:
⅓
Step-by-step explanation:
8+7+6
total= 21
blue= 7÷21
1/3