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A pipe extends from ground level to a location under the ground. Two-fifths of the way down the pipe, there is a leak. The leak's elevation is −6.2 meters.

What is the elevation of the end of the pipe that is under the ground?

Enter your answer as a decimal or as a mixed number in simplest form in the box.

Sagot :

Answer: -15.5

Step-by-step explanation:

I took the test

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The answer is "-15.5".

  • Designers can solve this question using proportions as well as a rule for two's based on the stated elevation.

            [tex]\to -6.2 \ \text{meters is}\ \frac{2}{5} = 0.4[/tex]

  • All way down the pipeline Down the line, [tex]100\% = 1[/tex].
  • The rule of two is[tex]-6.2\ meters \to 0.4[/tex], and [tex]x \ meters\to 1[/tex]  
  • Applying Cross multiplication:

                  [tex]\to 0.4 x = -6.2 \\\\\to x = \frac{-6.2}{0.4}\\\\\to x = -15.5[/tex]  

As a result, the elevation of the underground pipe end is -15.5 meters.

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