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Identify equations from visual models (hanger diagrams)


The hanger image below represents a balanced equation.
A balanced hanger diagram. The left side has 2 octagons labeled k. The right side has 1 square labeled 18.
Select an equation that represents the image.
Choose 1 answer:
Find the value of k that makes the equation true.
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi