I believe the answer is D
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.
28 is the coefficient and the simplified expression is 28x + 35
Answer:
The answer would be 7.
Step-by-step explanation:
Answer:
45 minutes
Step-by-step explanation:
It is given that one hose can fill a goldfish pond in 36 minute
So the the first hose can fill goldfish pond
per minute
When both fill together then they fill in 20 minutes
So the the both hose can fill goldfish pond
per minute
Let Goldfish pond filled by second hose
per minute
so 

x=45 minutes