Statins are used to keep cholesterol in check and are a top selling drug in the US. The equation S-1.5x=6.4 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 spend on statins in the year 2008?

2008-1998 = ?

Substitute that for x and solve.

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To find the amount spent on statins in the year 2008, we need to substitute the value of x as 2008 - 1998 = 10 into the equation S - 1.5x = 6.4.

S - 1.5(10) = 6.4
S - 15 = 6.4
S = 6.4 + 15
S = 21.4

Therefore, people spent approximately 21.4 billion dollars on statins in the year 2008.

To find out how much people will/did spend on statins in the year 2008, we need to substitute the value of x as 2008 - 1998 = 10 into the equation S - 1.5x = 6.4.

Substituting x = 10 into the equation, we have:

S - 1.5(10) = 6.4

S - 15 = 6.4

Next, we can solve for S by adding 15 to both sides of the equation:

S - 15 + 15 = 6.4 + 15

S = 21.4

Therefore, people will/did spend approximately 21.4 billion dollars on statins in the year 2008.