The equationS = 1.3x + 6.4 represents the amount of sales of statin in billions of dollars in 2005.
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----
I wonder what x is.
h;lo
To answer these questions using the given equation, we need to substitute the appropriate values into the equation.
a. To find the amount of sales of statin in 2011, we need to substitute the value of x with the corresponding year, which is 2011, in the equation S = 1.3x + 6.4.
S = 1.3x + 6.4
S = 1.3 * 2011 + 6.4
S = 2613.3 + 6.4
S ≈ 2619.7
Therefore, according to this equation, people in the U.S spent approximately 2619.7 billion dollars on statins in the year 2011.
b. To find the year when sales of statin will reach 20.41 billion dollars, we need to solve for x in the equation S = 1.3x + 6.4.
S = 1.3x + 6.4
20.41 = 1.3x + 6.4
Subtracting 6.4 from both sides:
20.41 - 6.4 = 1.3x
14.01 = 1.3x
Now, divide both sides of the equation by 1.3:
14.01 / 1.3 = x
x ≈ 10.77
Therefore, according to this equation, sales of statin will reach 20.41 billion dollars in the year approximately 10.77 (rounded off to the nearest year).