Just add the vi/t to both sides. vf=a+vi/t
Answer:
30.4 billion dollars
Step-by-step explanation:
We have been given an equation , which gives the amount of sales ( S ) of statin in billions of dollars x years after 1998.
To find the amount spent on statins in 2011, we will substitute , in the given equation as .
Therefore, people in the U.S. spend 30.4 billion dollars on statins in the year 2011.
Ninety seven three hundredth fifty six