Simplification & Approximation Quiz: Find x
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Questions and Answers

What is the value of x in the equation 45% of 400 + x/2 = (16)^2 + 120?

  • 16
  • 12
  • 18
  • 14 (correct)
  • What is the value of x in the equation 15 × x + 20% of 450 = 360?

  • 12
  • 24 (correct)
  • 16
  • 20
  • What is the value of x in the equation √52 × 4 × 5 - (11/2) - 7 = x?

  • 79
  • 71
  • 69 (correct)
  • 63
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