X= + or- square root 66 i solved using the pq formula but u can also use the quadratic formula as well and the square root formula but I'ma show u how to solve it with pq it's on this image hope it helps and mark me brainliest
Answer:
700
Step-by-step explanation:
Given:
Daily evening newspapers in 2015 = 389
Percentage decrease from 2000 to 2015 = 46.5%
To find:
Number of newspapers in 2000 = ?
Solution:
Let the number of newspapers in 2000 = 
When 46.5% of the total newspapers in 2000 (
) is subtracted from the total newspapers in 2000 (
), it will be equal to the number of newspapers in 2015.
Making the equation as per the given statement:

Therefore, the answer is:
There were <em>727 </em>newspapers in 2000.
2000(3/5)
6000/5
1200
So 1200 doctors used brand X