Answer:
the quotient is 4
Step-by-step explanation:
i think the last one Y = 1X
It is said that 85% of the students liked reading mystery stories. This means the remaining 15% don't like to read these stories. If there are 30 students belonging to the second category, then the number of students who liked reading mystery stories is (30/0.15)*0.85 equal to 170 students out of 200 students.
Answer:
28
Step-by-step explanation:
So in order to get this answer you want to use the combination formula which is 
Now you want to use the numbers given to you in the problem which is ₈C₂ and plug those into the equation
so your going to have something looking like this
now if you have a calculator nearby and you plug in ₈C₂ your going to get 28 which is the answer.
hope this somewhat helps.