First you start out with your equation:
-4x = -36
Using reverse operations, divide both sides by -4. Since you're dividing a negative by a negative, you get a positive answer.
x = 9
Answer: C
Step-by-step explanation:
Answer:
0.1715
Step-by-step explanation:
From previous experience 340/1982 is the past probability that a person has high blood pressure.
The division of that leads to 0.1715 that the next person will have high blood pressure. That number is roughly (very roughly) 1 person in 6. So if 6 people come in 1 will have high blood presure.
