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Spending will be more than $84 billion more than… years after 2003

Spending Will Be More Than 84 Billion More Than Years After 2003 class=

Sagot :

Given:

y = 10.2x + 12.6

Where x is the number of years after 2013.

Let's find the number of years which it will take the spending to be more than $84 billion.

We have the inequality:

84 < 10.2x + 12.6

Let's solve for x.

• Subtract 12.6 from both sides:

84 - 12.6 < 10.2x + 12.6 - 12.6

71.4 < 10.2x

• Divide both sides by 10.2:

[tex]\begin{gathered} \frac{71.4}{10.2}<\frac{10.2x}{10.2x} \\ \\ 77 \end{gathered}[/tex]

Therefore, the spending will be more than $84 billion more than 7 years after 2003.

ANSWER:

7 years.