The equationS = 1.3x + 6.4 represents the amount of sales of statin in billions of dollars in 2005.

Question

a. According to this equation, people in the U.S spent ---- billion dollars on statins in the year of 2011.
b. According to this equation, sales of statin will reach 20.41 billion dollars in the year----

Answer 1

I wonder what x is.

Answer 2

h;lo