Statins are used to keep cholesterol in check and are a top-selling drug in the U.S. The equation:
S-1.3x = 5
gives the amount of sales (S) of statin in billions of dollars x years after 1998. According to this equation, how
much will/did people in the U.S. spend on statins in the year 2016?
Answer: People in the U.S. will spend
billion dollars on statins in 2016.