In this year’s 7th grade class, there are 4 boys for every 5 girls. How many girls are in the class if there are 20 boys in the
2 answers:
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Answer:
Step-by-step explanation:
Number of students participating in the competition = 13.
Total number of students in the school = 15.
Thus ,
the number of students who did not make to this competition =
Total number of students - number of students participated
= 15-13 = 2.
Now ,
probability of the student who do not makes it to the competition
= fraction of students who did not make to this competition from the total number of students .
=.
Answer:
Step-by-step explanation:
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final answer
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