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MMLU / The numbers x and y are inversely proportional. When the sum of x and y…

Problem

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question

The numbers xx and yy are inversely proportional. When the sum of xx and yy is 42, xx is twice yy. What is the value of yy when x=−8x=-8?
Plain-text mathematical notation (without MathML)
The numbers x and y are inversely proportional. When the sum of x and y is 42, x is twice y. What is the value of y when x=−8?
Original LaTeX notation
The numbers $x$ and $y$ are inversely proportional. When the sum of $x$ and $y$ is 42, $x$ is twice $y$. What is the value of $y$ when $x=-8$?

choices

  1. -49
  2. -7
  3. -40
  4. 40

subject

high_school_mathematics

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