Math

QuestionFind the year when the federal debt y=1.18x+1.71y = 1.18x + 1.71 reaches \35.93trillion,where35.93 trillion, where x$ is years after 2000.

Studdy Solution

STEP 1

Assumptions1. The gross federal debt yy is in trillions of dollars. The year xx is the number of years after20003. The relationship between yy and xx is given by the equation y=1.18x+1.71y =1.18x +1.71
4. We are asked to find the year when the federal debt will be 35.9335.93 trillion

STEP 2

First, we need to find the value of xx when y=35.93y =35.93. We can do this by setting yy to 35.9335.93 in the given equation and solving for xx.
35.93=1.18x+1.7135.93 =1.18x +1.71

STEP 3

Next, we subtract 1.711.71 from both sides of the equation to isolate the term with xx.
35.931.71=1.18x35.93 -1.71 =1.18x

STEP 4

Calculate the left side of the equation.
34.22=1.18x34.22 =1.18x

STEP 5

Now, we divide both sides of the equation by 1.181.18 to solve for xx.
x=34.221.18x = \frac{34.22}{1.18}

STEP 6

Calculate the value of xx.
x=34.221.1829x = \frac{34.22}{1.18} \approx29

STEP 7

Since xx represents the number of years after2000, we add2000 to xx to find the actual year.
Year=2000+xYear =2000 + x

STEP 8

Plug in the value of xx to calculate the year.
Year=2000+29Year =2000 +29

STEP 9

Calculate the year.
Year=200+29=2029Year =200 +29 =2029In the year2029, the federal debt will be 35.9335.93 trillion.

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