Number of students = 26
Number of students without siblings = 4
⇒ Number of students with at least one siblings = 26 - 4 = 22
Number of students with brothers = 17
Number of students with sisters = 7
⇒ Number of students with both a brother and a sister = 17 + 7 - 22 = 2
P(student has a brother, given that they have a sister) = 2/7
Answer: 2/7
Answer:
Step-by-step explanation:
21 hits / 45 at bats
7/15
Answer:
80 questions
Step-by-step explanation:
100%/20%=5%
5×16=80
Answer:
6x+15>2x+12
6x-2x>12-15
4x>-3
x>-3/4
Step-by-step explanation:
Answer:
the answer is 4.
Step-by-step explanation:
2×6= 12
12/3=4
